Matt/tensorflow v2 conversion

[mturner-ml]

Changes:

• Convert to tensorflow v2
• Add ability to get predictions

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (main@42c55aa). Click here to learn what that means.

Additional details and impacted files

@@           Coverage Diff            @@
##             main        #4   +/-   ##
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  Coverage        ?   100.00%           
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  Files           ?         1           
  Lines           ?         6           
  Branches        ?         0           
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  Hits            ?         6           
  Misses          ?         0           
  Partials        ?         0           

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