Add Dockerfile and requirements.txt for application setup

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 7860
+
+CMD ["python", "app.py"] 

requirements.txt

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+torch
+transformers
+tensorflow
+gradio