feat(commands): Add `mount` command #414

Job	Run time
Clippy (default)	31s
Rustfmt	13s
Build docs (stable, macos-latest)	1m 2s
Test (stable, default, macos-latest)	48s
Build docs (stable, ubuntu-latest)	13s
Test (stable, default, ubuntu-latest)	32s
Build docs (stable, windows-latest)	1m 19s
Test (stable, default, windows-latest)	35s
Result (CI)	0s
	5m 13s

Provide feedback