Add a subcommand to `xtask` which generates one or more web pages fro… #289

	name: CI

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

	env:
	CARGO_TERM_COLOR: always
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	MSRV: "1.65.0"

	# Cancel any currently running workflows from the same PR, branch, or
	# tag when a new workflow is triggered.
	#
	# https://stackoverflow.com/a/66336834
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}

	jobs:
	# --------------------------------------------------------------------------

	check:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	build: [
	# Xtensa:
	{ package: "esp32", target: "xtensa-esp32-none-elf" },
	{ package: "esp32s2", target: "xtensa-esp32s2-none-elf" },
	{ package: "esp32s3", target: "xtensa-esp32s3-none-elf" },

	# RISC-V:
	{ package: "esp32c2", target: "riscv32imc-unknown-none-elf" },
	{ package: "esp32c3", target: "riscv32imc-unknown-none-elf" },
	{ package: "esp32c6", target: "riscv32imac-unknown-none-elf" },
	{ package: "esp32h2", target: "riscv32imac-unknown-none-elf" },

	# RISC-V (Ultra) Low-Power:
	{ package: "esp32c6-lp", target: "riscv32imac-unknown-none-elf" },
	{ package: "esp32s2-ulp", target: "riscv32imc-unknown-none-elf" },
	{ package: "esp32s3-ulp", target: "riscv32imc-unknown-none-elf" },
	]

	steps:
	- uses: actions/checkout@v3
	- uses: ./.github/actions/check
	with:
	msrv: ${{ env.MSRV }}
	package: ${{ matrix.build.package }}
	target: ${{ matrix.build.target }}

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