Lazy named dims array algebra

[mtfishman]

This builds on top of/is derived from lazy array algebra introduced in ITensor/TensorAlgebra.jl#109 (and also requires fixes in ITensor/TensorAlgebra.jl#110).

[codecov]

Codecov Report

❌ Patch coverage is 77.14286% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.36%. Comparing base (4511db6) to head (8aa70f5).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/lazynameddimsarray.jl	72.41%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #147      +/-   ##
==========================================
+ Coverage   70.84%   71.36%   +0.52%     
==========================================
  Files          18       19       +1     
  Lines        1046     1072      +26     
==========================================
+ Hits          741      765      +24     
- Misses        305      307       +2     

Flag	Coverage Δ
docs	18.89% <0.00%> (-0.49%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

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

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.