GrantBirki - Driveby :car:

This is a classic @GrantBirki drive-by pull request

This pull request does the following:

Touches up the main readme
Adds a bit more documentation
Updates Actions CI jobs and their permissions (a bit)
Updates the test suite to suppress :debug: messages from being displayed in the output
Adds coverage badges to the readme
Adds the branding: block to the action.yml file - helpful for those of us publishing to the GitHub Marketplace
~~Adds a new workflow for globally validating JSON / YAML files throughout the project~~
Adds helper script (script/release) that maintainers can use to publish new release tags for their Actions

actions / typescript-action