add minimal pygfx and vispy example (#24) #71

Job	Run time
check-manifest	9s
test (macos-latest, 3.10) / macos-latest py3.10 pyqt6	55s
test (macos-latest, 3.11) / macos-latest py3.11 pyqt6	44s
test (macos-latest, 3.8) / macos-latest py3.8 pyqt6	1m 48s
test (ubuntu-latest, 3.10) / ubuntu-latest py3.10 pyqt6	1m 59s
test (ubuntu-latest, 3.11) / ubuntu-latest py3.11 pyqt6	1m 12s
test-array-libs (macos-latest, 3.12) / macos-latest py3.12 pyqt6	1m 46s
test (ubuntu-latest, 3.8) / ubuntu-latest py3.8 pyqt6	1m 2s
test-array-libs (macos-latest, 3.9) / macos-latest py3.9 pyqt6	2m 9s
test-array-libs (ubuntu-latest, 3.12) / ubuntu-latest py3.12 pyqt6	5m 6s
test-array-libs (ubuntu-latest, 3.9) / ubuntu-latest py3.9 pyqt6	12m 4s
Deploy	0s
upload_coverage / Upload coverage	16s
	29m 10s

Provide feedback