add columnar to workspace

[PSeitz]

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[fulmicoton]

the unit tests are too slow.... we need the attributes you added in the other PR. please merge this one after.

[codecov-commenter]

Codecov Report

Merging #1808 (8b780ba) into main (9548570) will decrease coverage by 0.54%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1808      +/-   ##
==========================================
- Coverage   94.14%   93.61%   -0.54%     
==========================================
  Files         274      314      +40     
  Lines       51992    57135    +5143     
==========================================
+ Hits        48947    53485    +4538     
- Misses       3045     3650     +605     

Impacted Files	Coverage Δ
...src/column_index/optional_index/set_block/tests.rs	100.00% <ø> (ø)
src/indexer/segment_updater.rs	94.40% <0.00%> (-1.05%)	⬇️
src/store/index/mod.rs	97.83% <0.00%> (-0.55%)	⬇️
src/query/boolean_query/block_wand.rs	96.85% <0.00%> (-0.21%)	⬇️
columnar/src/column_values/linear.rs	98.72% <0.00%> (ø)
columnar/src/column_index/multivalued_index.rs	92.30% <0.00%> (ø)
columnar/src/tests.rs	100.00% <0.00%> (ø)
...nar/src/column_values/compact_space/blank_range.rs	57.89% <0.00%> (ø)
columnar/src/columnar/writer/mod.rs	81.04% <0.00%> (ø)
columnar/src/column_values/tests.rs	99.24% <0.00%> (ø)
... and 35 more

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