fix(BspTree): set `leaf` to true for the root node if there is only o… #541

	name: 'Build'
	on:
	- 'push'
	- 'pull_request'
	jobs:
	linux:
	name: "Linux"
	strategy:
	fail-fast: false
	matrix:
	build_type:
	- 'Release'
	- 'Debug'
	image:
	- 'clang-11'
	- 'clang-14'
	- 'gcc-9'
	- 'gcc-12'
	runs-on: 'ubuntu-latest'
	container:
	image: 'ghcr.io/lmichaelis/images:${{matrix.image}}'
	steps:
	- uses: 'actions/checkout@v3'
	- name: 'Configure'
	run: 'cmake -B build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DZK_BUILD_EXAMPLES=ON -DZK_BUILD_TESTS=ON'
	- name: 'Build'
	run: 'cmake --build build'
	- name: 'Test'
	working-directory: 'build/'
	run: 'ctest --output-on-failure'

	macos:
	name: "MacOS"
	strategy:
	fail-fast: false
	matrix:
	xcode:
	- '13'
	build_type: [ 'Debug', 'Release' ]
	env:
	ASAN_OPTIONS: 'detect_container_overflow=0'
	runs-on: 'macos-12'
	steps:
	- uses: 'actions/checkout@v3'
	- uses: 'maxim-lobanov/setup-xcode@v1'
	with:
	xcode-version: '${{matrix.xcode}}'
	- name: 'Configure'
	run: 'cmake -B build -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DZK_BUILD_EXAMPLES=ON -DZK_BUILD_TESTS=ON'
	- name: 'Build'
	run: 'cmake --build build'
	- name: 'Test'
	working-directory: 'build/'
	run: 'ctest --output-on-failure'

	windows:
	name: "Windows"
	runs-on: 'windows-2019'
	steps:
	- uses: 'actions/checkout@v3'
	with:
	submodules: 'recursive'
	- name: 'Configure'
	shell: 'bash'
	run: 'cmake -B build -G "Visual Studio 16 2019" -DCMAKE_BUILD_TYPE=Release -DZK_BUILD_EXAMPLES=ON -DZK_BUILD_TESTS=ON'
	- name: 'Build'
	run: 'cmake --build build --config Release -j 2'
	- name: 'Test'
	working-directory: 'build/'
	run: 'ctest -C Release --output-on-failure'

Provide feedback