Adds info about enabling Google Play Android Developer API #107

	# This is a basic workflow to help you get started with Actions

	name: PR Validation

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the "master" branch
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	# Set up NPM and deps
	- name: Set up NPM
	run: npm ci

	# Do a build
	- name: Run Build
	run: npm run build

	# Check whether the compiled library changed
	- name: Check Build Updated
	uses: tj-actions/verify-changed-files@v17
	id: verify-built-lib
	with:
	files: lib/index.js

	# If it did change, the authro forgot to build. Fail the action
	- name: Verify Build Updated
	if: steps.verify-changed-files.outputs.files_changed == 'true'
	run: exit 1

	- name: Run Tests
	run: npm test

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