Adding Deepseek R1 model

[Sixzero]

Just added model under aliases and costs.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.06%. Comparing base (2600eb9) to head (31424ed).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #262   +/-   ##
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  Coverage   92.06%   92.06%           
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  Files          49       49           
  Lines        4799     4799           
=======================================
  Hits         4418     4418           
  Misses        381      381           

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[svilupp]

Thanks! Would you mind incrementing the version of PT to 0.70 and adding a quick note in the changelog about these changes? (same for the subsequent PR)

[Sixzero]

Added for both, and yeah they are subsequent, I wonder how it will go.