Add nicegui app

[lucasimi]

With this PR we add a new interactive app. The old streamlit app is no longer maintained in favor to a new app based on nicegui.

[codecov]

Codecov Report

Attention: Patch coverage is 82.28155% with 73 lines in your changes missing coverage. Please review.

Project coverage is 90.82%. Comparing base (7e06f3c) to head (909e306).
Report is 37 commits behind head on main.

Files with missing lines	Patch %	Lines
src/tdamapper/app.py	79.77%	73 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #228      +/-   ##
==========================================
- Coverage   92.76%   90.82%   -1.95%     
==========================================
  Files          23       24       +1     
  Lines        1465     1841     +376     
==========================================
+ Hits         1359     1672     +313     
- Misses        106      169      +63     

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