[init] document-converter helper

```sh
npm init
```

Author: Dominique Quatravaux

document-converter/.gitignore

@@ -0,0 +1 @@
+node_modules

document-converter/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "document-converter",
+  "version": "0.1.0",
+  "description": "Convert from Confluence's XML-based representation to Outline's JSON",
+  "main": "convert.ts",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "confluence",
+    "outline",
+    "import",
+    "json"
+  ],
+  "author": "ISAS-FSD <isas-fsd@groupes.epfl.ch>",
+  "license": "ISC"
+}