Add Runner for Windows / MinGW

In #93 (closed) wurde der MinGW Support gefixt.
Um die Kompatibilität weiterhin zu garantieren, könnten wir einen Windows Runner hinzufügen, der mit MinGW buildet.

assigned to @jfmorgenstern

added 🧙 CI/CD label

changed milestone to %First Release

Ist vermutlich sinnvoll, damit für alle von uns, die gerne mit MinGW builden keine unvorhergesehenen Probleme beim mergen entstehen. ^^

changed the description

created merge request !85 (merged) to address this issue

mentioned in merge request !85 (merged)

mentioned in commit b3db251f

mentioned in commit 9660ad3b

mentioned in commit 4ccf6021

mentioned in commit 3a4cbd91

How to compile with GCC on Win10:

1. Install MSYS2
2. Run "MSYS2 MSYS" from Start menu.
3. Enter the following commands into MSYS2 console.

pacman -Syu
pacman -Su
pacman -S --needed base-devel mingw-w64-x86_64-toolchain
pacman -S cmake

4. Add to Path:

C:\msys64\usr\bin
C:\msys64\usr\local\bin
C:\msys64\mingw64\bin
C:\msys64\mingw32\bin

5. Clone the repository and run the following commands:

mkdir debug
cd debug
cmake --no-warn-unused-cli -DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=TRUE -DCMAKE_BUILD_TYPE:STRING=Debug -DCMAKE_C_COMPILER:FILEPATH=C:\msys64\mingw64\bin\x86_64-w64-mingw32-gcc.exe -DCMAKE_CXX_COMPILER:FILEPATH=C:\msys64\mingw64\bin\x86_64-w64-mingw32-g++.exe .. -G "Unix Makefiles"
cmake --build .

mentioned in issue #19 (closed)

mentioned in commit ddd0516b

mentioned in commit 08ec6d1f

closed with merge request !85 (merged)

mentioned in commit a6a4d87c