Bring prompt_utlis back (#58)

* Release 0.8.30

* Bring prompt_utlis back

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Co-authored-by: fern-api <115122769+fern-api[bot]@users.noreply.github.com>

Author: olehvell-h

.fernignore

@@ -4,6 +4,7 @@
 ## Custom code
 
 src/humanloop/evals
+src/humanloop/prompt_utils.py
 src/humanloop/client.py
 src/humanloop/overload.py
 src/humanloop/context.py