Support different ortho directions in factorize

[mtfishman]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 25 lines in your changes missing coverage. Please review.

Project coverage is 34.30%. Comparing base (e37a397) to head (bd67ac1).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/quirks.jl	0.00%	23 Missing ⚠️
src/ITensorBase.jl	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #18      +/-   ##
==========================================
- Coverage   36.64%   34.30%   -2.35%     
==========================================
  Files           2        2              
  Lines         161      172      +11     
==========================================
  Hits           59       59              
- Misses        102      113      +11     

Flag	Coverage Δ
docs	33.33% <0.00%> (-2.30%)	⬇️

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