[ENH] Update README badges and links to reflect new repository name

* Update CI badge URL to point to commitai repository actions
* Update PyPI project link to use new "CommitAi" name
* Update license link to point to LICENSE file in commitai repository

The project has been renamed from "comai" to "commitai", so this commit updates the relevant URLs and links in the README to reflect the new repository name. This ensures that the badges and links correctly point to the new repository location.

Co-authored-by: Comai <github.com/lguibr/comai>

README.md

@@ -1,6 +1,6 @@
 # CommitAi - Commit Message AI
 
-[![CI](https://github.com/lguibr/comai/workflows/CI/badge.svg)](https://github.com/lguibr/comai/actions)
+[![CI](https://github.com/lguibr/commitai/workflows/CI/badge.svg)](https://github.com/lguibr/commitai/actions)
 [![PyPI](https://img.shields.io/pypi/v/CommitAi.svg)](https://pypi.org/project/CommitAi/)
 [![Python Version](https://img.shields.io/pypi/pyversions/CommitAi.svg)](https://pypi.org/project/CommitAi/)
 [![License](https://img.shields.io/pypi/l/CommitAi.svg)](https://github.com/lguibr/CommitAi/blob/main/LICENSE)