Add frontend

[nenb]

Description

This PR adds a basic frontend to the Question the Docs app. It uses Vite to create the initial project.

The app is deployed on fly.io.

Related Issues

#653

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.54% 🎉

Comparison is base (cfca570) 78.47% compared to head (5e4236c) 79.01%.
Report is 1 commits behind head on main.

❗ Current head 5e4236c differs from pull request most recent head 266b83d. Consider uploading reports for the commit 266b83d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #713      +/-   ##
==========================================
+ Coverage   78.47%   79.01%   +0.54%     
==========================================
  Files          81       79       -2     
  Lines        5082     5004      -78     
==========================================
- Hits         3988     3954      -34     
+ Misses       1094     1050      -44     

see 12 files with indirect coverage changes

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[rec]

Quibble: single quotes in Python!

Just amazing how far this has come in a short time...!