fix: copy all py and css files in docker

Dockerfile

@@ -16,6 +16,6 @@ COPY --chown=user requirements.txt .
 # Install requirements
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-COPY --chown=user wanderlust.py wanderlust.py
+COPY --chown=user *.py *.css /
 
 ENTRYPOINT ["solara", "run", "wanderlust.py", "--host=0.0.0.0", "--port", "7860"]