Update README.md

Author: MoOx

README.md

@@ -147,10 +147,10 @@ releases.
 
 ## Contribute
 
-Read the [contribution guidelines](./CONTRIBUTING.md) before contributing.
+Read the [contribution guidelines](https://github.com/reason-react-native/.github/blob/master/CONTRIBUTING.md) before contributing.
 
 ## Code of Conduct
 
 We want this community to be friendly and respectful to each other. Please read
-[our full code of conduct](./CODE_OF_CONDUCT.md) so that you can understand what
+[our full code of conduct](https://github.com/reason-react-native/.github/blob/master/CODE_OF_CONDUCT.md) so that you can understand what
 actions will and will not be tolerated.