GPG ECDSA secp256k1 Keys and Signatures

[odudex]

What is this PR for?

• Add GPG ECDSA secp256k1 Keys and signatures as e BIP85 feature
• Standardize navigation on BIP85 menu

Changes made to:

• Code
• Tests
• Docs
• CHANGELOG

Did you build the code and tested on device?

• Yes - Amigo

What is the purpose of this pull request?

• Bug fix
• New feature
• Docs update
• Other

[codecov]

Codecov Report

❌ Patch coverage is 1.21951% with 81 lines in your changes missing coverage. Please review.
✅ Project coverage is 96.63%. Comparing base (e6b895e) to head (db8c145).

Files with missing lines	Patch %	Lines
src/krux/pages/home_pages/gpg_ui.py	0.00%	73 Missing ⚠️
src/krux/pages/home_pages/bip85.py	11.11%	8 Missing ⚠️

❌ Your patch check has failed because the patch coverage (1.21%) is below the target coverage (95.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #595      +/-   ##
===========================================
- Coverage    97.37%   96.63%   -0.75%     
===========================================
  Files           83       84       +1     
  Lines        10525    10607      +82     
===========================================
+ Hits         10249    10250       +1     
- Misses         276      357      +81     

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