[doc] update readme #21

	name: Build and Run Simulation
	on:
	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	- ready_for_review
	- labeled
	env:
	USER: runner

	# Cancel the current workflow when new commit pushed
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
	cancel-in-progress: true

	jobs:

	build-simulators:
	name: "Build Simulators"
	runs-on: [self-hosted, linux, nixos, BIGRAM]
	strategy:
	fail-fast: false
	defaults:
	run:
	working-directory: ./templates/chisel
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	- name: "Build vcs simulator"
	run: \|
	nix build '.#gcd.vcs' --impure
	- name: "Build vcs simulator with trace"
	run: \|
	nix build '.#gcd.vcs-trace' --impure
	- name: "Build verilator simulator"
	run: \|
	nix build '.#gcd.verilated'
	- name: "Build verilator simulator with trace"
	run: \|
	nix build '.#gcd.verilated-trace'

	run-vcs:
	name: "Run VCS"
	strategy:
	fail-fast: false
	runs-on: [self-hosted, linux, nixos]
	defaults:
	run:
	working-directory: ./templates/chisel
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	- name: "Run VCS"
	run: \|
	nix build '.#gcd.vcs.tests.simple-sim' --impure -L

	run-verilator:
	name: "Run Verilator"
	strategy:
	fail-fast: false
	runs-on: [self-hosted, linux, nixos]
	defaults:
	run:
	working-directory: ./templates/chisel
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha }}
	- name: "Run verilator"
	run: \|
	nix run '.#gcd.verilated'

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