docs: initial mkdocs #48

Job	Run time
Test Briefcase build (macos-12)	3m 37s
Lint & Test (macos-12)	2m 6s
Test Briefcase build (windows-2022)	3m 47s
Test Python package build (macos-12)	24s
Lint & Test (windows-2022)	3m 24s
Test Briefcase build (ubuntu-22.04)	3m 19s
Test Python package build (windows-2022)	1m 22s
Lint & Test (ubuntu-22.04)	2m 52s
Test Python package build (ubuntu-22.04)	17s
CodeQL (javascript)	1m 12s
Test documentation build	47s
CodeQL (python)	2m 34s
Upload coverage	0s
Briefcase build & draft release	0s
Deploy github pages	0s
Publish to PyPi	0s
	25m 41s

Provide feedback