Add index 307 :fast_thermalization to identifiers

[nanshi1177]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 43.76%. Comparing base (01f7aff) to head (bc0cc25).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #86   +/-   ##
=======================================
  Coverage   43.76%   43.76%           
=======================================
  Files          13       13           
  Lines       31243    31243           
=======================================
  Hits        13672    13672           
  Misses      17571    17571           

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[jmcclena]

@nanshi1177 I don't understand why this is needed. Why can't the thermalization source just go under the :nbi tag?

[bclyons12]

I agree that it's odd to need to add a tag for this. It seems like standard physics that they would have already accounted for. It would be good to find the appropriate tag in the existing IMAS schema if it exists.