Add gateware design simulation documentation for BeagleV Fire board

See merge request !144

Fix sphinx tab warnings and OSHW mark issue

Closes #82

See merge request !152

Switched to sphinx design tabs because sphinx tabs are not supported with pydata theme.

Added comms cape gateware documentation

See merge request !141

Update Libero version v2022.3 to v2023.2

See merge request !145

beaglev-fire: relocate images to the images folder

See merge request !150

Docs updates, version banner, and todo lists

See merge request !151