- Replace legacy key-value for environment variables
- Remove unnecessary '.' from 'cmake -S . -B build -DCMAKE_BUILD_TYPE=Release .' because '-S' already specifies source directory
- Update .dockerignore entries to avoid unnecessary copying to container
- Update INSTALL instructions
- Remove redundant '.' in cmake command
- Use explicit code block formatting instead of indentation
- Use '#' to mark headlines
- Use semantic linebreaks
- Fix Operating System Notes section
- Use backticks for file names and command calls
- Use 'CMake' when referring to the application, not the command call
* update build instructions
Usage of "modern" CMake syntax and using specific out of source build.
Further add example on how to build in parallel, build a specific target
and how to change the compiler.
This closes#3236.
The workflow is triggered by a successful run of the test suite and creates a Docker image with a Taskwarrior installation of the current branch (restricted to develop/stable)
