Add test for preventing delegation to `address(0)` #281

	name: Lint

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

	jobs:

	lint:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v1
	- uses: actions/setup-node@v1
	with:
	node-version: "14.x"
	- name: check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: init
	run: npm ci

	- name: Style Check
	run: npm run style-check

	- name: Solhint
	run: npm run solhint

	- name: Spell Check
	run: npm run spell-check

Provide feedback