feat: create 404 page #9

	name: Build/Lint

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

	jobs:
	build:
	runs-on: ubuntu-latest

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

	- name: Cache Node.js dependencies
	uses: actions/cache@v2
	with:
	path: node_modules
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install dependencies
	run: npm install

	- name: Run linting
	run: npm run lint

	- name: Build
	run: npm run build

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