Remove iron workflows and update readme (backport #612) #4

	name: Build Humble Dockerfile
	# description: builds the dockerfile contained within the repo

	on:
	pull_request:
	branches:
	- humble
	paths:
	- '**.hpp'
	- '**.cpp'
	- Dockerfile/**
	- '.github/workflows/humble-docker-build.yml'
	- '**/package.xml'
	- '**/CMakeLists.txt'
	- '**.xacro'
	- '**.py'
	- '**.yaml'
	- 'ros2_control_demos.humble.repos'
	push:
	branches:
	- humble
	paths:
	- '**.hpp'
	- '**.cpp'
	- Dockerfile/**
	- '.github/workflows/humble-docker-build.yml'
	- '**/package.xml'
	- '**/CMakeLists.txt'
	- '**.xacro'
	- '**.py'
	- '**.yaml'
	- 'ros2_control_demos.humble.repos'
	schedule:
	# Run every morning to detect broken dependencies
	- cron: '40 1 * * *'


	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: humble
	- name: Build the Docker image
	run: docker build --file Dockerfile/Dockerfile --tag ros2_control_demos_humble --build-arg ROS_DISTRO=humble .

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