docs: add link to docs.rs documentation

Author: JeanMertz

README.md

@@ -1,6 +1,7 @@
 <div align="center">
 
 [![Latest Crate Version](https://img.shields.io/crates/v/conventional-commit.svg?logo=rust&label=version&logoColor=white&colorB=brightgreen)](https://crates.io/crates/conventional-commit "The latest released version on crates.io.")
+[![Library Documentation](https://docs.rs/conventional-commit/badge.svg)](https://docs.rs/conventional-commit "The online documentation at docs.rs.")
 [![Discord Chat](https://img.shields.io/discord/477552212156088320.svg?logo=discord&label=discord%20chat&logoColor=white)](https://discord.gg/Kc4qZWE "Ask a question or just enjoy your stay!")
 
 **Conventional Commit**
@@ -12,8 +13,8 @@
 🚧&nbsp;&nbsp;&nbsp;&nbsp;_work in progress_&nbsp;&nbsp;&nbsp;&nbsp;🚧
 
 <br /><br />
-</div>
 
+</div>
 
 - [x] Initial usable version
 - [ ] 100% compliant with [latest specification]
@@ -22,4 +23,3 @@
 
 [conventional commit]: https://www.conventionalcommits.org
 [latest specification]: https://www.conventionalcommits.org/en/v1.0.0-beta.4/#specification
-