[RACL] Add documentation and example config #5901

Job	Run time
Lint (quick)	3m 22s
Airgapped build	11m 56s
Build documentation	4m 58s
CW305's Bitstream	23m 44s
Run OTBN crypto tests	2m 53s
Lint (slow)	11m 21s
Run OTBN smoke Test	2m 38s
Verible lint	1m 8s
Verilated Earl Grey	1h 25m 47s
Verilated English Breakfast	7m 57s
Build Docker Containers	2m 17s
Build and test Darjeeling software	3m 57s
QEMU smoketest	2m 9s
Build and test software	19m 59s
Earl Grey for CW310 / Build bitstream	1h 8m 50s
Earl Grey for CW310 Hyperdebug / Build bitstream	1h 3m 29s
Earl Grey for CW340 / Build bitstream	1h 31m 13s
CW310 Test ROM Tests / FPGA test	3m 58s
CW310 ROM Tests / FPGA test	40m 14s
Hyper310 ROM_EXT Tests / FPGA test	12m 54s
CW310 SiVal Tests / FPGA test	23m 34s
CW310 SiVal ROM_EXT Tests / FPGA test	28m 44s
CW310 Manufacturing Tests / FPGA test	27m 48s
Cache bitstreams to GCP	0s
CW340 ROM Tests / FPGA test	49s
CW340 ROM_EXT Tests / FPGA test	6m 57s
CW340 Manufacturing Tests / FPGA test	44m 10s
CW340 SiVal Tests / FPGA test	19m 35s
CW340 SiVal ROM_EXT Tests / FPGA test	5m 56s
CW340 Test ROM Tests / FPGA test	3m 1s
Verify FPGA jobs	21s
	10h 25m 39s

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