Update build instruction in README.md #43

	name: Windows MSYS2 Build
	on: [push, pull_request, workflow_dispatch]

	jobs:
	build:
	runs-on: windows-latest
	defaults:
	run:
	shell: msys2 {0}
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive
	- uses: msys2/setup-msys2@v2
	with:
	msystem: MINGW64
	update: true
	pacboy: >-
	toolchain:p ninja:p cmake:p extra-cmake-modules:p icoutils:p
	qt6:p icu:p bison: flex:
	- name: Build
	run: \|
	# for static build we will need -DCMAKE_PREFIX_PATH="${MINGW_PREFIX}/qt6-static"
	# but MSYS2's static Qt 6 is problematic currently: https://github.com/msys2/MINGW-packages/issues/18966
	cmake . -B build -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} -G Ninja
	cmake --build build -j
	- name: Prepare for package
	continue-on-error: true
	run: \|
	mkdir package_workspace && cd package_workspace
	cp ../build/thplayer.exe ./
	strip -s ./thplayer.exe
	windeployqt6 --no-quick-import --no-translations --no-opengl-sw --no-system-d3d-compiler ./thplayer.exe
	ldd ./thplayer.exe > deps.txt
	bash -c 'while read -r line; do path=$(cut -d" " -f3 <<<$line); cp -v $path ./; done <<<$(grep ".mingw.bin" deps.txt); exit 0'
	rm deps.txt
	# done
	cd ../
	- uses: actions/upload-artifact@v4
	with:
	name: msys2-mingw-w64-x86_64-windows
	path: package_workspace/*

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