Cz-convention

Fix

- docs typo [ed72d](https://github.com/evanhongo/cz-github-convention/commit/commit/ed72dddbc0b4f421befe2e594ad00a781927554a) [evanhongo](evanhongogmail.com)

BREAKING CHANGE

- extract logic related to git providers [4b10a](https://github.com/evanhongo/cz-github-convention/commit/commit/4b10a4950edba3e523f79ee507e18190f4b84d11) [evanhongo](evanhongogmail.com)
- **cz_github_convention.py**: migrate to new plugin format (commitizen 3.0.0) [cad25](https://github.com/evanhongo/cz-github-convention/commit/commit/cad2566da8144d89b8aa96fccad4cf22165f15cf) [evanhongo](evanhongogmail.com)

BREAKING CHANGE

- **cz_github_convention.py**: migrate to new plugin format (commitizen 3.0.0) [cad25](https://github.com/evanhongo/cz-github-convention/commit/cad2566da8144d89b8aa96fccad4cf22165f15cf)

Feat

- **cz_github_convention.py**: emoji and support for github [2b168](https://github.com/evanhongo/cz-github-convention/commit/2b1687c4217903015b87bb182aa8ca6b4129a8e4)

Fix

- **cz_github_convention.py**: only show emoji in commit option [8a25c](https://github.com/evanhongo/cz-github-convention/commit/8a25c87e8c302746dea5ad283bd1f2a41f96d314)
- **setup.py**: version 0.1.2 [8c937](https://github.com/evanhongo/cz-github-convention/commit/8c937804403b79613c6744ea666893e290bffec2)

Refactor

- **cz_github_convention.py**: remove unused import [227db](https://github.com/evanhongo/cz-github-convention/commit/227db10b56862a81931a324e4cc6ee0d7bf57677)