Updated setup link (#2272)

Author: rakshit087

CONTRIBUTING.md

@@ -7,7 +7,7 @@ When contributing to this repository, please first discuss the change you wish t
 
 ## Pull Request Process
 
-1. First make sure the environment is working and synced with master. For installation details go [here](https://github.com/wix/react-native-ui-lib/blob/master/markdowns/getting-started/setup.md#demo-app)
+1. First make sure the environment is working and synced with master. For installation details go [here](https://wix.github.io/react-native-ui-lib/docs/getting-started/setup#demo-app)
 2. Before submitting a PR we suggest running `npm run pre-push` command that verifies our lint, TS and tests were not broken.
 3. Please use our PR prefixes accordingly. `fix` for bugfix, `feat` for feature, `infra` for infrastructure changes and `docs` for documentation related changes (e.g `fix/ButtonStyle`, `feat/Avatar_colorProp`)
 4. Please don't change our PR template.