BeagleV-Fire: Add cape Verilog customization tutorial.

See merge request !83

play: Fix the ti.com docs link to be latest

See merge request !82

Fix the link to point to latest instead of 08.06 documentation,
which at this point is pretty old.
Also, make the references into bullet points

Signed-off-by: Dhruva Gole <goledhruva@gmail.com>

Found comment about booleans at https://www.sphinx-doc.org/en/master/man/sphinx-build.html#cmdoption-sphinx-build-D.

  For boolean values, use 0 or 1 as the value.

https://git.beagleboard.org/docs/docs.beagleboard.io/-/merge_requests/79#note_15599

Add requirements.txt

See merge request !79

- Remove slack link
- Add link to beagleboard forum

Signed-off-by: Ayush Singh <ayushdevel1325@gmail.com>