Initial profiling commit

[LogvinovLeon]

Proving times (nargo, M1 Max)

Package	Elapsed Time	User Time	System Time	CPU Usage	Max Memory
poseidon	0:00.64	1.17s	0.19s	211%	148.99MB
rlp	0:01.20	0.92s	0.03s	79%	96.17MB
keccak	0:07.57	40.40s	0.94s	545%	2.30GB
keccak_2x	0:15.00	79.91s	1.75s	544%	4.32GB

Circuit sizes

+-----------+----------------------+--------------+----------------------+
| Package   | Expression Width     | ACIR Opcodes | Backend Circuit Size |
+-----------+----------------------+--------------+----------------------+
| poseidon  | Bounded { width: 3 } | 573          | 578                  |
+-----------+----------------------+--------------+----------------------+
| keccak    | Bounded { width: 3 } | 4            | 155014               |
+-----------+----------------------+--------------+----------------------+
| keccak_2x | Bounded { width: 3 } | 7            | 300405               |
+-----------+----------------------+--------------+----------------------+
| rlp       | Bounded { width: 3 } | 4188         | 11172                |
+-----------+----------------------+--------------+----------------------+