Add UDF support to c++ API

[acquamarin]

Implement UDF support to C++ API.

[codecov]

Codecov Report

Patch coverage: 99.53% and project coverage change: +0.04 🎉

Comparison is base (7ec4007) 91.13% compared to head (e924547) 91.17%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1808      +/-   ##
==========================================
+ Coverage   91.13%   91.17%   +0.04%     
==========================================
  Files         776      777       +1     
  Lines       28373    28451      +78     
==========================================
+ Hits        25857    25940      +83     
+ Misses       2516     2511       -5     

Impacted Files	Coverage Δ
src/common/types/value.cpp	85.94% <ø> (ø)
src/common/vector/auxiliary_buffer.cpp	89.47% <ø> (ø)
src/expression_evaluator/path_evaluator.cpp	98.49% <ø> (-0.02%)	⬇️
src/function/vector_path_functions.cpp	79.36% <ø> (ø)
src/include/catalog/catalog.h	100.00% <ø> (ø)
src/include/catalog/catalog_structs.h	100.00% <ø> (ø)
src/include/common/vector/auxiliary_buffer.h	92.30% <ø> (ø)
src/include/function/built_in_vector_functions.h	100.00% <ø> (ø)
...rc/include/storage/buffer_manager/memory_manager.h	100.00% <ø> (ø)
src/storage/buffer_manager/memory_manager.cpp	100.00% <ø> (ø)
... and 9 more

... and 10 files with indirect coverage changes

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