feat(hooks): add sample hooks for use with gitflow-cjs

[ChrisJStone]

### Write a set of sample hooks that can be used with gitflow-cjs and semantic versioning
- [ ] https://github.com/CJ-Systems/gitflow-cjs/issues/77
- [ ] https://github.com/CJ-Systems/gitflow-cjs/issues/78
- [ ] https://github.com/CJ-Systems/gitflow-cjs/issues/79
- [ ] https://github.com/CJ-Systems/gitflow-cjs/issues/80

[ChrisJStone]

Git Flow supports a number of hooks to allow for easier integration with other services such as jira. The purpose of this issue is to provide a Top Level Point of entry for the available hooks. The following list of issues covers the hooks that are / will be available when this meta issue is closed.

feat(hooks) add sample release hooks to git flow #77
feat(hooks): add sample hotfix hooks to git flow #78
feat(hooks): add sample feature hooks to git flow #79
feat(hooks): add sample bugfix hooks to git flow #80