Enable CI/CD for MakiePlotting

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Description

Set up GitHub Actions to use Ci/CD in MakiePlotting. Define branch rules and other restirictions for the repo.

Definition of Done

• [ ] All ACs fulfilled
• [ ] Feature tested
• [ ] Related feature branch(es) merged and deleted
• [ ] Documentation updated

Acceptance Criteria

• [x] GitHub Actions script enables CI/CD
• [ ] Rules for repo defined, e.g. branch protection rules
• [x] Publish documentation, if free of charge
• [x] Use CI/CD and GitHub Actions to generate documentation1
• [x] Add buttons/labels with respective functionality to README
  • [x] docs
  • [x] code coverage
  • [x] build status

[pb866]

Checkout

• https://github.com/JuliaCI
• https://github.com/JuliaCI/PkgTemplates.jl.git
• https://github.com/julia-actions/setup-julia.git / https://github.com/marketplace/actions/setup-julia-environment
• https://m3g.github.io/JuliaNotes.jl/stable/new_package/
• https://discourse.julialang.org/t/best-way-to-continuous-integration-and-automated-tests/67838/2
• https://discourse.julialang.org/t/easy-workflow-file-for-setting-up-github-actions-ci-for-your-julia-package/49765