feat(bot): add initial bot setup and commands 🎉

- Created a Dockerfile for containerization.
- Added .env.example for environment variable configuration.
- Implemented main bot functionality with meme command and webhook integration.

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Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY . .
+RUN pip install --no-cache-dir -r src/requirements.txt
+
+
+# Run the bot
+CMD ["python", "src/main.py"]