Make the ArrowVTab module public

[phillipleblanc]

I assume from the comment in this issue that the ArrowVTab module was intended to be made public. This PR makes it public so that consumers can actually use it.

I've tested this code in my fork and it works great.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d48b967) 60.55% compared to head (799e70a) 60.50%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #259      +/-   ##
==========================================
- Coverage   60.55%   60.50%   -0.05%     
==========================================
  Files          36       36              
  Lines        2132     2132              
==========================================
- Hits         1291     1290       -1     
- Misses        841      842       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[Mytherin]

Thanks!