add mkvtree to the code example #320

	name: "Windows"
	on:
	push:
	branches: [ master ]
	pull_request:
	# branches: [ master ]

	jobs:
	build_libmatroska:
	name: libmatroska ${{ matrix.arch.name }} ${{ matrix.config }}
	runs-on: windows-latest
	strategy:
	fail-fast: false
	matrix:
	config: [Debug, Release]
	arch: [
	{ "name": "x64", "option": "x64"},
	{ "name": "x86", "option": "win32"},
	{ "name": "arm64", "option": "arm64"},
	]
	env:
	CMAKE_OPTIONS: -DDEV_MODE=ON -DCMAKE_CXX_FLAGS_INIT="-DWINVER=0x0501"
	CMAKE_MATROSKA_OPTIONS: -DBUILD_EXAMPLES=ON
	steps:
	- uses: lukka/get-cmake@latest

	- name: Get pushed code
	uses: actions/checkout@v4

	- name: Checkout libebml
	uses: actions/checkout@v4
	with:
	repository: Matroska-Org/libebml
	path: libebml
	# minimum version we support ref: 'release-1.4.3'

	- name: Configure libebml
	run: cmake -S libebml -B libebml/_build ${{ env.CMAKE_OPTIONS }} -A ${{ matrix.arch.option }}

	- name: Build libebml
	run: cmake --build libebml/_build --config ${{ matrix.config }} --parallel

	- name: Install libebml
	run: cmake --install libebml/_build --config ${{ matrix.config }} --prefix ${GITHUB_WORKSPACE}/_built

	- name: Configure library
	run: cmake -S . -B _build ${{ env.CMAKE_OPTIONS }} ${{ env.CMAKE_MATROSKA_OPTIONS }} -A ${{ matrix.arch.option }} -DEBML_DIR="${GITHUB_WORKSPACE}/_built/lib/cmake/EBML"

	- name: Build
	run: cmake --build _build --config ${{ matrix.config }} --parallel

	- name: Test installation
	run: cmake --install _build --config ${{ matrix.config }} --prefix ${GITHUB_WORKSPACE}/_built

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