fix: broken contributing links (#1386)

Author: fsdiogo

CONTRIBUTING.md

@@ -1,8 +1,8 @@
 # Contributing guidelines
 
-IPFS as a project, including js-ipfs and all of its modules, follows the [standard IPFS Community contributing guidelines](https://github.com/ipfs/community/blob/master/contribution-guidelines.md).
+IPFS as a project, including js-ipfs and all of its modules, follows the [standard IPFS Community contributing guidelines](https://github.com/ipfs/community/blob/master/contributing.md).
 
-We also adhere to the [IPFS JavaScript Community contributing guidelines](https://github.com/ipfs/community/blob/master/js-project-guidelines.md) which provide additional information of how to collaborate and contribute in the JavaScript implementation of IPFS.
+We also adhere to the [IPFS JavaScript Community contributing guidelines](https://github.com/ipfs/community/blob/master/js-code-guidelines.md) which provide additional information of how to collaborate and contribute in the JavaScript implementation of IPFS.
 
 We appreciate your time and attention for going over these. Please open an issue on [ipfs/community](https://github.com/ipfs/community) if you have any question.