chore(readme): update Discord link #21

	name: Main CI
	on: [push, pull_request]
	jobs:
	build:
	name: Build Test
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: web

	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup node environment
	uses: actions/setup-node@v2
	with:
	node-version: 20.x
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
	- uses: actions/cache@v2
	id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-
	- name: Install deps
	run: yarn --frozen-lockfile
	- name: Try build
	run: yarn build

Provide feedback