adding description - example code #648

	name: Build esp32

	on:
	workflow_dispatch:
	push:
	pull_request:

	defaults:
	run:
	working-directory: ./esp32

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pip
	~/.platformio/.cache
	key: ${{ runner.os }}-pio

	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	- name: Install PlatformIO Core
	run: pip install --upgrade platformio

	- name: Build PlatformIO Project
	run: pio run

	- uses: actions/upload-artifact@v4
	with:
	name: build
	path: esp32/.pio/build/

	static:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pip
	~/.platformio/.cache
	key: ${{ runner.os }}-pio

	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	- name: Install PlatformIO Core
	run: pip install --upgrade platformio

	- name: Run static code analysis
	run: pio check

	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pip
	key: ${{ runner.os }}-cpplint

	- uses: actions/setup-python@v5
	with:
	python-version: '3.9'

	- name: Install cpplint
	run: pip install cpplint==1.6.1

	- name: Run linter
	run: cpplint --recursive Inc Src lib test

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