Add and configure ESLint and update configuration for Prettier (#703)

* Add ESLinter and update Prettier

* Update eslint config

* Update dependencies

* Rebuild action

* Update package.json

* Updates docs

* Update docs

__tests__/cache-restore.test.ts

@@ -108,7 +108,7 @@ describe('cache-restore', () => {
     it.each([['npm7'], ['npm6'], ['pnpm6'], ['yarn1'], ['yarn2'], ['random']])(
       'Throw an error because %s is not supported',
       async packageManager => {
-        await expect(restoreCache(packageManager)).rejects.toThrowError(
+        await expect(restoreCache(packageManager)).rejects.toThrow(
           `Caching for '${packageManager}' is not supported`
         );
       }