Add gateware design simulation documentation for BeagleV Fire board

See merge request docs/docs.beagleboard.io!144

Fix sphinx tab warnings and OSHW mark issue

Closes #82

See merge request docs/docs.beagleboard.io!152

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

Added comms cape gateware documentation

See merge request docs/docs.beagleboard.io!141

Update Libero version v2022.3 to v2023.2

See merge request docs/docs.beagleboard.io!145

beaglev-fire: relocate images to the images folder

See merge request docs/docs.beagleboard.io!150

Docs updates, version banner, and todo lists

See merge request docs/docs.beagleboard.io!151