Move child chunks and columns to struct

[ray6080]

• Remove CSVReaderConfig from ColumnChunk.
• Move child chunks and columns into struct specific data structures.
• Merge initialize and resize logic in BooleanColumnChunk into ColumnChunk.

[codecov]

Codecov Report

Attention: 38 lines in your changes are missing coverage. Please review.

Comparison is base (fe7de00) 90.07% compared to head (84568fb) 90.07%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2173      +/-   ##
==========================================
- Coverage   90.07%   90.07%   -0.01%     
==========================================
  Files         990      990              
  Lines       35518    35502      -16     
==========================================
- Hits        31994    31977      -17     
- Misses       3524     3525       +1     

Files	Coverage Δ
.../include/processor/operator/persistent/copy_node.h	100.00% <100.00%> (ø)
src/include/storage/store/column_chunk.h	94.28% <100.00%> (-0.84%)	⬇️
src/include/storage/store/node_column.h	100.00% <ø> (ø)
src/include/storage/store/node_group.h	100.00% <ø> (ø)
src/include/storage/store/string_column_chunk.h	100.00% <ø> (ø)
src/include/storage/store/var_list_column_chunk.h	87.50% <ø> (ø)
src/processor/map/map_copy_from.cpp	100.00% <100.00%> (+1.13%)	⬆️
src/processor/operator/persistent/copy_node.cpp	95.91% <100.00%> (ø)
src/storage/local_table.cpp	94.19% <100.00%> (ø)
src/storage/store/node_column.cpp	79.12% <100.00%> (-0.08%)	⬇️
... and 7 more

... and 1 file with indirect coverage changes

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