Add contributing guidelines.

Author: drmacsika

CONTRIBUTING.md

@@ -6,7 +6,7 @@ Ensure your pull request adheres to the following guidelines:
 - Make an individual pull request for each suggestion.
 - Use [title-casing](http://titlecapitalization.com) (AP style).
 - Use the following format: `[Title Case Name](link) - Description.`
-  > :information_source: [Articles](https://github.com/drmacsika/fastapi-blog) should use the `[Title Case Name](link)` format.
+  > :information_source: [Articles](https://github.com/drmacsika/fastapi-async-blog) should use the `[Title Case Name](link)` format.
 - Keep descriptions short and simple, but descriptive.
 - Start the description with a capital and end with a full stop/period.
   > :information_source: You can use an emoji, only before the Title-Cased Description.