Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -8,17 +8,17 @@ series [How to Contribute to an Open Source Project on GitHub][egghead]
 ## Project setup
 
 1.  Fork and clone the repo
-2.  `$ npm install` to install dependencies
-3.  `$ npm run validate` to validate you've got it working
+2.  `$ yarn install` to install dependencies
+3.  `$ yarn lint` to validate you've got it working
 4.  Create a branch for your PR
 
 > Tip: Keep your `master` branch pointing at the original repository and make
 > pull requests from branches on your fork. To do this, run:
 >
 > ```
-> git remote add upstream https://github.com/kentcdodds/eslint-config-kentcdodds.git
+> git remote add upstream https://github.com/kentcdodds/eslint-config-ts-prefixer.git
 > git fetch upstream
-> git branch --set-upstream-to=upstream/master master
+> git branch --set-upstream-to=upstream/main main
 > ```
 >
 > This will add the original repository as a "remote" called "upstream," Then
@@ -46,4 +46,4 @@ requests! Thanks!
 
 [egghead]: https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github
 [all-contributors]: https://github.com/kentcdodds/all-contributors
-[issues]: https://github.com/kentcdodds/eslint-config-kentcdodds/issues
+[issues]: https://github.com/kentcdodds/eslint-config-ts-prefixer/issues