Configured ESLint, Prettier and Github CI actions #1

	name: CI
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	lint-and-test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2

	- name: Find yarn cache location
	id: yarn-cache
	run: echo "::set-output name=dir::$(yarn cache dir)"

	- name: JS package cache
	uses: actions/cache@v1
	with:
	path: $(( steps.yarn-cache.outputs.dir ))
	key: $(( runner.os ))-yarn-$(( hashFiles('**/yarn.lock') ))
	restore-keys: \|
	$(( runner.os ))-yarn-

	- name: Install Node Modules
	run: yarn install

	- name: Run Lint
	run: yarn lint

	- name: Run tests
	run: yarn testFinal

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