Additional reusable workflows

[christophfroehlich]

A great advantage of the central reusable workflows is that we reduce dependabot-commits in the other repos. But there are some workflows here missing

• coverage build Add reusable workflow for coverage build #12
• format Create reusable-pre-commit.yml and add workflow for it #10
• ros-lint [CI] Composite action and os_name #11

Some hints

• The list of packages can be parsed like I did with here
  

  ros2_control_ci/.github/workflows/reusable-ros-tooling-source-build.yml

  Lines 39 to 44 in 697ccb5

  	- name: Get list of packages
  	# we need both paths, there is no wildcard/glob for packages defined in the root folder and subfolders at the same time
  	run: |
  	echo "REPO_NAME=$(echo ${{ github.repository }} | cut -d '/' -f 2)" >> $GITHUB_ENV
  	echo "package_list=$(colcon list --paths ${{ env.path }} --names-only | tr '\n' ' ') $(colcon list --paths ${{ env.path }}/* --names-only | tr '\n' ' ')" >> $GITHUB_ENV
  	echo "repo ${{ env.REPO_NAME}} has packages: ${{ env.package_list }}"

• For the format + ros-lint we maybe should not use ubuntu-latest but always the explicit version from REP-2000? (make an input for the os-version and specify that from the calling workflows from the repos)