Update contribution instructions

CONTRIBUTING.md

@@ -7,13 +7,14 @@ All contributions are welcome and greatly appreciated!
 > Check the `.node-version` file in the root of this repo so see what version of Node.js is required for local development - note, this can be different from the version of Node.js which runs the Action on GitHub runners. It is suggested to download [nodenv](https://github.com/nodenv/nodenv) which uses this file and manages your Node.js versions for you
 
 1. Fork this repository
-2. Commit your changes
-3. Test your changes (learn how to test below)
-4. Open a pull request back to this repository
-5. Notify the maintainers of this repository for peer review and approval
-6. Merge!
+2. Make your changes
+3. [Test](#testing-) your changes locally
+4. Before opening a pull request, please run `npm run all` to verify formatting, linting, tests, generated files, etc.
+5. Commit and push your changes to your fork
+6. Open a pull request back to this repository
+7. Await for an approval or changed requested from the maintainers of this repository
 
-The maintainers of this repository will create a new release with your changes so that everyone can use the new release and enjoy the awesome features of this Action!
+After merging the pull request, the maintainers of this repository will create a new release with those changes included. After that, everyone can utilize the newly integrated changes in their own Actions workflows and enjoy your awesome improvements!
 
 ## Testing 🧪
 
@@ -22,7 +23,7 @@ The maintainers of this repository will create a new release with your changes s
 Simply run the following command to execute the entire test suite:
 
 ```bash
-npm run test
+npm test
 ```
 
-> Note: this requires that you have already run `npm install`
+> Note: This requires that you have already run `npm install`.