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

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1. feat(hooks) add sample release hooks to git flow #77
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2. feat(hooks): add sample hotfix hooks to git flow #78
   +0
3. feat(hooks): add sample feature hooks to git flow #79
   +0
4. feat(hooks): add sample bugfix hooks to git flow #80
   +0

[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