feat: precompile with generic context

[rakita]

Generics are added to precompile and are set to EvmContext and EXT (External context) this allows us to have precompiles that have access to full context.

Few things were shuffled to make this possible.

Update builder docs with example of ContextStatefulPrecompile

[github-actions]

Valgrind Results:

==3906== Cachegrind, a cache and branch-prediction profiler
==3906== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al.
==3906== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==3906== Command: target/release/snailtracer
==3906== 
--3906-- warning: L3 cache found, using its data for the LL simulation.
Snailtracer Host+Interpreter benchmark (2.1s) ...            not enough samples
==3906== 
==3906== I   refs:      463,577,573
==3906== I1  misses:          3,365
==3906== LLi misses:          2,983
==3906== I1  miss rate:        0.00%
==3906== LLi miss rate:        0.00%
==3906== 
==3906== D   refs:      237,187,010  (160,464,432 rd   + 76,722,578 wr)
==3906== D1  misses:        324,823  (    184,983 rd   +    139,840 wr)
==3906== LLd misses:        137,566  (      4,062 rd   +    133,504 wr)
==3906== D1  miss rate:         0.1% (        0.1%     +        0.2%  )
==3906== LLd miss rate:         0.1% (        0.0%     +        0.2%  )
==3906== 
==3906== LL refs:           328,188  (    188,348 rd   +    139,840 wr)
==3906== LL misses:         140,549  (      7,045 rd   +    133,504 wr)
==3906== LL miss rate:          0.0% (        0.0%     +        0.2%  )