chore: add slither #302

	name: Lint

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:

	solidity:
	runs-on: ubuntu-latest

	steps:
	- name: Check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 1

	- name: Setup node.js
	uses: actions/setup-node@v1
	with:
	node-version: '16.x'

	- name: Set yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"

	- name: Restore yarn cache
	uses: actions/cache@v2
	id: yarn-cache
	with:
	path: \|
	${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	${{ runner.os }}-yarn-
	- name: Install node.js dependencies
	run: yarn --frozen-lockfile

	- name: Run formater check on .sol and .json
	run: yarn format:check

	- name: run linter check on *.sol file
	run: yarn lint

	commits:
	runs-on: ubuntu-latest

	steps:
	- name: Check out github repository
	uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Run commitlint
	uses: wagoid/commitlint-github-action@v2

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