2778 fix

[ziv17]

Closes #2778

Fix road segment
Support pagination in a similar manner as done in news flash API.

Add two non-mandatory parameters:
page_number, default: 0.
page_size, default: 8192
Change the structure of the result:

{
"data": [ {...}, {...}, ...],
"pagination": {
"page_number": ,
"page_size":
}
}

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 10.34483% with 26 lines in your changes missing coverage. Please review.

Project coverage is 54.22%. Comparing base (07a333b) to head (235f093).
Report is 26 commits behind head on dev.

Files with missing lines	Patch %	Lines
anyway/views/safety_data/involved_query.py	7.14%	26 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #2779      +/-   ##
==========================================
+ Coverage   52.57%   54.22%   +1.65%     
==========================================
  Files         122      126       +4     
  Lines       10232    10677     +445     
==========================================
+ Hits         5379     5790     +411     
- Misses       4853     4887      +34     

Flag	Coverage Δ
unittests	54.22% <10.34%> (+1.65%)	⬆️

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[tkalir]

I don't know this part of the code base much, but looks good. Tell me if you want a review for something specific.