feat(nano): add check-blueprint CLI

[glevco]

Motivation

Implement a new check-blueprint CLI command for Blueprint devs to check the syntax validity of their Blueprints.

Usage:

poetry run hathor-cli check-blueprint --file my_blueprint.py

Acceptance Criteria

• Add new check-blueprint CLI command.
• Refactor OCB verifier to create a single verify_code method.

Checklist

• If you are requesting a merge into master, confirm this code is production-ready and can be included in future releases as soon as it gets merged

[github-actions]

Bencher Report

Branch	feat/check-blueprint
Testbed	ubuntu-22.04

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Benchmark	Latency	Benchmark Result minutes (m) (Result Δ%)	Lower Boundary minutes (m) (Limit %)	Upper Boundary minutes (m) (Limit %)
sync-v2 (up to 20000 blocks)	📈 view plot 🚷 view threshold	1.63 m (-0.52%) Baseline: 1.64 m	1.47 m (90.47%)	1.80 m (90.44%)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.58%. Comparing base (e417e0e) to head (c7643e0).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1315      +/-   ##
==========================================
- Coverage   85.63%   85.58%   -0.05%     
==========================================
  Files         426      426              
  Lines       31947    31949       +2     
  Branches     4962     4962              
==========================================
- Hits        27358    27344      -14     
- Misses       3590     3604      +14     
- Partials      999     1001       +2     

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