feat: strict mode turned off by default

[stjepangolemac]

Allow romeo to not crash when not absolutely necessary.

Summary of Changes

• Introduced strict mode
• Disabled it by default

How were these changes tested?

I've manually tested these changes in local devnet and everything looks correct.

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

Merging #309 (1c6819a) into main (eac5a87) will decrease coverage by 0.08%.
Report is 2 commits behind head on main.
The diff coverage is 5.88%.

@@            Coverage Diff             @@
##             main     #309      +/-   ##
==========================================
- Coverage   43.12%   43.04%   -0.08%     
==========================================
  Files          45       45              
  Lines        5359     5371      +12     
  Branches       47       47              
==========================================
+ Hits         2311     2312       +1     
- Misses       3047     3058      +11     
  Partials        1        1              

Flag	Coverage Δ
unittests	76.61% <ø> (ø)

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Files	Coverage Δ
romeo/src/bitcoin_client.rs	36.36% <100.00%> (+0.32%)	⬆️
romeo/src/config.rs	8.00% <0.00%> (-0.17%)	⬇️
romeo/src/state.rs	0.00% <0.00%> (ø)

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[friedger]

LGTM