Add workflows and lints from mullvad/coding-guidelines #159

Job	Run time
Check Format and Clippy	20s
Check Documentation	23s
Minimal versions	28s
Test (win32, windows-latest, stable-i686-pc-windows-msvc)	1m 7s
Test (nightly, ubuntu-latest, nightly)	24s
Test (stable, ubuntu-latest, stable)	26s
Test (beta, ubuntu-latest, beta)	23s
Test (mingw, windows-latest, stable-x86_64-pc-windows-gnu)	1m 28s
Test (win64, windows-latest, stable-x86_64-pc-windows-msvc)	1m 29s
Test (macos, macos-latest, stable)	30s
	6m 58s

Navigation Menu