feat: add support for title option

Author: BrunnerLivio

README.md

@@ -65,6 +65,7 @@ With this example:
 | `commit`         | Keyword used to generate commit links (formatted as `<host>/<owner>/<repository>/<commit>/<commit_sha>`). See [conventional-changelog-writer#commit](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-writer#commit).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | `commits` for Bitbucket repositories, `commit` otherwise                                                                                                |
 | `issue`          | Keyword used to generate issue links (formatted as `<host>/<owner>/<repository>/<issue>/<issue_number>`). See [conventional-changelog-writer#issue](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-writer#issue).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | `issue` for Bitbucket repositories, `issues` otherwise                                                                                                  |
 | `presetConfig`   | Additional configuration passed to the [conventional-changelog](https://github.com/conventional-changelog/conventional-changelog) preset. Used for example with [conventional-changelog-conventionalcommits](https://github.com/conventional-changelog/conventional-changelog-config-spec/blob/master/versions/2.0.0/README.md).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | -                                                                                                                                                       |
+| `title`         | The title of the release. Used for example in the [header template of conventinal-changelog-angular](https://github.com/conventional-changelog/conventional-changelog/blob/master/packages/conventional-changelog-angular/templates/header.hbs)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | -                                                                                                                                                       |
 
 **Notes**: in order to use a `preset` it must be installed (for example to use the [eslint preset](https://github.com/conventional-changelog/conventional-changelog/tree/master/packages/conventional-changelog-eslint) you must install it with `npm install conventional-changelog-eslint -D`)
 

index.js

@@ -70,6 +70,7 @@ async function generateNotes(pluginConfig, context) {
       linkCompare: currentTag && previousTag,
       issue,
       commit,
+      title: pluginConfig.title,
       packageData: ((await readPkgUp({normalize: false, cwd})) || {}).packageJson,
     },
     {host: hostConfig, linkCompare, linkReferences, commit: commitConfig, issue: issueConfig}

test/integration.test.js

@@ -55,6 +55,7 @@ test('Set conventional-changelog-writer context', async t => {
     issue: 'issues',
     commit: 'commit',
     packageData: undefined,
+    title: undefined,
     linkReferences: undefined,
   });
 });
@@ -78,6 +79,7 @@ test('Set conventional-changelog-writer context with package.json', async t => {
     host,
     owner,
     repository,
+    title: undefined,
     previousTag: lastRelease.gitTag,
     currentTag: nextRelease.gitTag,
     linkCompare: lastRelease.gitTag,
@@ -554,6 +556,16 @@ test('Accept an "issue" option', async t => {
   );
 });
 
+test('Accept an "title" option', async t => {
+  const commits = [{hash: '111', message: 'fix(scope1): First fix\n\nresolve #10'}];
+  const changelog = await generateNotes(
+    {title: 'release-title'},
+    {cwd, options: {repositoryUrl: 'https://github.com/owner/repo'}, lastRelease, nextRelease, commits}
+  );
+
+  t.regex(changelog, new RegExp(escape('"release-title"')));
+});
+
 test('Ignore malformatted commits and include valid ones', async t => {
   const commits = [
     {hash: '111', message: 'fix(scope1): First fix'},