Move code around the repo

[vitalyisaev2]

No description provided.

[codecov]

Codecov Report

Attention: 9 lines in your changes are missing coverage. Please review.

Comparison is base (03d8877) 48.21% compared to head (b69803b) 48.05%.

Files	Patch %	Lines
.../server/datasource/rdbms/postgresql/type_mapper.go	0.00%	2 Missing ⚠️
app/server/datasource/rdbms/ydb/type_mapper.go	0.00%	2 Missing ⚠️
.../datasource/rdbms/postgresql/connection_manager.go	0.00%	1 Missing ⚠️
.../server/datasource/rdbms/ydb/connection_manager.go	0.00%	1 Missing ⚠️
app/server/datasource/s3/data_source.go	0.00%	1 Missing ⚠️
...lumnar_buffer_arrow_ipc_streaming_empty_columns.go	0.00%	1 Missing ⚠️
app/server/paging/mock.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #26      +/-   ##
==========================================
- Coverage   48.21%   48.05%   -0.16%     
==========================================
  Files          65       65              
  Lines        3806     3806              
==========================================
- Hits         1835     1829       -6     
- Misses       1816     1819       +3     
- Partials      155      158       +3     

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