[FIX]: added fallback page to prevent white HTML page #228

	name: Build
Check failure on line 1 in .github/workflows/build.yml View workflow run for this annotation GitHub Actions / .github/workflows/build.yml Invalid workflow file `(Line: 15, Col: 9): Required property is missing: runs-on, (Line: 19, Col: 7): Unexpected value 'matrix', (Line: 19, Col: 7): There's not enough info to determine what you meant. Add one of these properties: cancel-timeout-minutes, container, continue-on-error, defaults, env, environment, outputs, runs-on, secrets, services, snapshot, steps, timeout-minutes, uses, with, (Line: 32, Col: 7): A sequence was not expected`

	on:
	push:
	pull_request:
	branches:
	- master

	jobs:
	build:
	name: Unit Tests

	strategy:
	matrix:
	node-version:
	- 12.x
	- 14.x
	os:
	- ubuntu-latest
	- windows-latest
	- macOS-latest

	runs-on: ${{ matrix.os }}

	steps:
	- name: git checkout
	uses: actions/checkout@v2

	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node-version }}

	- run: npm ci
	- run: npm test

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