Create requirements.txt

Add initial requirements.txt for dependencies.

requirements.txt

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+# Python version
+python==3.9.7
+
+# General dependencies
+numpy==1.21.2
+pandas==1.3.5
+scikit-learn==1.0.2
+torch==1.10.0
+transformers==4.17.0
+
+# Gradio dependencies
+gradio==3.0.2
+
+# Other dependencies (add as needed)