feat(boojum): Adding README to prover directory (#189) #32

Job	Run time
Test changed-files	12s
Setup	8s
Build and push images	0s
Build and push images / Build and Push Docker Images (witness-generator)	18m 4s
Build and push images / Build and Push Docker Images (prover-v2)	18m 31s
Build and push images / Build and Push Docker Images (circuit-synthesizer)	11m 10s
Build and push images / Build and Push Docker Images (prover-fri)	15m 38s
Build and push images / Build and Push Docker Images (prover-gpu-fri)	16m 38s
Build and push images / Build and Push Docker Images (witness-vector-generator)	14m 49s
Build and push images / Build and Push Docker Images (prover-fri-gateway)	8m 48s
Build and push images / Build and Push Docker Images (proof-fri-compressor)	21m 55s
Build GAR prover	0s
Build GAR prover FRI GPU / Build prover FRI GPU GAR	15m 25s
	2h 21m 18s

Provide feedback