fix: contribute link

README.md

@@ -168,8 +168,8 @@ We are looking for translators to make Wiki.js available in multiple languages.
 
 <h2 align="center">Contributors</h2>
 
-This project exists thanks to all the people who contribute. [[Contribute]](CONTRIBUTING.md).
-<a href="graphs/contributors"><img src="https://opencollective.com/wikijs/contributors.svg?width=890" /></a>
+This project exists thanks to all the people who contribute. [[Contribute]](https://github.com/Requarks/wiki/blob/master/CONTRIBUTING.md).
+<a href="https://github.com/Requarks/wiki/graphs/contributors"><img src="https://opencollective.com/wikijs/contributors.svg?width=890" /></a>
 
 <h2 align="center">Backers</h2>