feat: implement HTMX plugin using litestar-htmx

[cofin]

Description

This plugin migrates the HTMX integration to litestar.plugins.htmx.

This logic has been moved to it's own repository named litestar-htmx

This is in preparation for 3.0 release where contrib will be deprecated.

Closes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.42%. Comparing base (ffcecb1) to head (527cef6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3837      +/-   ##
==========================================
+ Coverage   98.41%   98.42%   +0.01%     
==========================================
  Files         332      333       +1     
  Lines       15500    15346     -154     
  Branches     1703     1694       -9     
==========================================
- Hits        15254    15105     -149     
+ Misses        113      111       -2     
+ Partials      133      130       -3     

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[provinzkraut]

Right now this is a breaking change though, due to the fact that this line here sets the request class of the application to HTMXRequest.

https://github.com/litestar-org/litestar-htmx/blob/4f5fc871ee5011bcb4b3b422c476db09770bf574/litestar_htmx/plugin.py#L42

[cofin]

Right now this is a breaking change though, due to the fact that this line here sets the request class of the application to HTMXRequest.

https://github.com/litestar-org/litestar-htmx/blob/4f5fc871ee5011bcb4b3b422c476db09770bf574/litestar_htmx/plugin.py#L42

There is no HTMXPlugin currently. This is actually new functionality that I've implemented with the move from contrib.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

Documentation preview will be available shortly at https://litestar-org.github.io/litestar-docs-preview/3837