feat: implement storage settings API and UI (#42)

[lan17]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 90.53254% with 16 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.63%. Comparing base (24490ed) to head (c6df484).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
src/homesec/api/routes/storage.py	92.52%	8 Missing ⚠️
src/homesec/config/manager.py	88.46%	3 Missing ⚠️
src/homesec/plugins/__init__.py	83.33%	3 Missing ⚠️
src/homesec/plugins/registry.py	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
+ Coverage   82.73%   83.63%   +0.90%     
==========================================
  Files         107      109       +2     
  Lines        9673     9870     +197     
==========================================
+ Hits         8003     8255     +252     
+ Misses       1670     1615      -55     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.