Refactoring: use veg library

[igagis]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 89.87342% with 8 lines in your changes missing coverage. Please review.

Project coverage is 73.56%. Comparing base (ddeb9d0) to head (7985916).

Files with missing lines	Patch %	Lines
src/svgren/filter_applier.cpp	82.75%	1 Missing and 4 partials ⚠️
src/svgren/renderer.cpp	90.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #109      +/-   ##
==========================================
- Coverage   78.81%   73.56%   -5.26%     
==========================================
  Files          15        9       -6     
  Lines        1879     1430     -449     
  Branches      673      546     -127     
==========================================
- Hits         1481     1052     -429     
+ Misses        282      271      -11     
+ Partials      116      107       -9     

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