🚧 Implement WIP tracking

[momocow]

Gitmoji "🚧" represents "work in progress" commit, which indicates that a new feature may be composed of several 🚧 commits and a final commit such as ✨ or 🐛 .

Those 🚧 commits and a final commit in a series can be considered as a task for a specific purpose. Therefore, we can place a task identifier (e.g. wip#1, wip#new-feature) in the footer of a commit message to recognize which task a commit belongs to.

Finally, in the release notes, we can show the final commit as a main entry, and list the 🚧 commits of the same task following the main entry to fully describe how this feature or bug fix is made.

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Definitions

wip#<unique_name>

<unique_name> should be:

• an issue number.
• a string of unique name, which contains only alphabets, numeric, hyphens and underlines.

Behaviors

• If <unique_name> is a number, the task identifier can be resolved to an issue link.
• If a 🚧 commit contains only one related issue w/o wip#<unique_name>, the issue is treated as the task identifier, i.e. wip#<issue_no>.

[momocow]

This feature has been available since v1.1.0.