[2.0] add RediSearch_CreateDocument2 with Spec (#2212)

[ashtul]

(cherry picked from commit f0f0044)

[codecov]

Codecov Report

Merging #2218 (f0f0044) into 2.0 (1ce4ef6) will increase coverage by 0.04%.
The diff coverage is 88.15%.

❗ Current head f0f0044 differs from pull request most recent head 580db2c. Consider uploading reports for the commit 580db2c to get more accurate results

@@            Coverage Diff             @@
##              2.0    #2218      +/-   ##
==========================================
+ Coverage   80.20%   80.24%   +0.04%     
==========================================
  Files         146      151       +5     
  Lines       21091    22239    +1148     
==========================================
+ Hits        16915    17846     +931     
- Misses       4176     4393     +217     

Impacted Files	Coverage Δ
src/aggregate/aggregate_plan.c	35.57% <0.00%> (ø)
src/aggregate/aggregate_plan.h	100.00% <ø> (ø)
src/dictionary.c	90.40% <ø> (-3.72%)	⬇️
src/doc_table.c	61.56% <ø> (-0.16%)	⬇️
src/doc_table.h	100.00% <ø> (ø)
src/doc_types.h	100.00% <ø> (ø)
src/document.c	73.12% <ø> (-1.64%)	⬇️
src/document_add.c	87.20% <ø> (ø)
src/document_basic.c	82.78% <ø> (+4.72%)	⬆️
src/ext/default.c	88.53% <ø> (+0.39%)	⬆️
... and 112 more

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