chore: add boilerplate testing workflow #1

	name: Test Next.js App

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: [14.x, 16.x]

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: ${{ matrix.node-version }}

	- name: Step into correct directory
	run: cd src

	- name: Install dependencies
	run: npm install

	- name: Run tests
	run: npm test

	- name: Build application
	run: npm run build

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