Add HBCD Release1 recon workflow

[mattcieslak]

Closes #168.

The constants in NODDI may not be appropriate for infants, so we are removing NODDI from the hbcd_scalar_maps recon spec.

Documentation is also updated for other recon workflows

[tsalo]

LGTM except for my one comment.

[tsalo]

One minor thing about PR titles and release notes- GitHub will organize this PR under "New Features" because I added the "enhancement" label, but the "new feature" will be the PR title, so it would be nice to make the actual title a bit more detailed and to drop the [ENH] prefix.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.94%. Comparing base (46b699d) to head (c8e8bbc).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #169   +/-   ##
=======================================
  Coverage   33.94%   33.94%           
=======================================
  Files          57       57           
  Lines        7195     7195           
  Branches      983      983           
=======================================
  Hits         2442     2442           
  Misses       4655     4655           
  Partials       98       98           

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