readme: add contributing #14

	name: Documentation CI

	on:
	push:
	branches: [ "main" ]


	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:

	documentation:
	name: Update documentation
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	ref: ${{ github.head_ref }}
	- name: Set up Elixir
	uses: erlef/setup-beam@61e01a43a562a89bfc54c7f9a378ff67b03e4a21 # v1.16.0
	with:
	elixir-version: '1.15.2' # [Required] Define the Elixir version
	otp-version: '26.0' # [Required] Define the Erlang/OTP version

	- name: Restore dependencies cache
	uses: actions/cache@v4
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- name: Install dependencies
	run: mix deps.get

	- name: Generate Documentation
	run: mix docs

	- name: Include docs folder
	run: \|
	sed -i '/\/docs\//d' .gitignore

	- name: Commit changes to documentation branch
	env:
	ATTR_NAME: 'github-actions[bot]'
	ATTR_EMAIL: 'github-actions[bot]@users.noreply.github.com'
	run: \|
	git config --global user.name $ATTR_NAME
	git config --global user.email $ATTR_EMAIL
	git add docs/*
	git commit -am "Automatic docs generation"
	git fetch origin docs
	git push origin main:docs --force-with-lease

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