fix: Update Dockerfile paths for HF Spaces structure

- Changed docker/requirements.txt to requirements.txt
- Changed ../src/ to src/
- Changed ../models/ to models/
- Changed ../main.py to main.py
- All files are at root level in HF Space, not in subdirectories

Dockerfile

@@ -29,18 +29,18 @@ WORKDIR $HOME/app
 RUN pip install --no-cache-dir --upgrade pip
 
 # Copy requirements first for better Docker layer caching
-COPY --chown=user docker/requirements.txt $HOME/app/
+COPY --chown=user requirements.txt $HOME/app/
 
 # Install Python dependencies
 RUN pip install --no-cache-dir --user -r requirements.txt
 
-# Copy the source code from parent directory
-COPY --chown=user ../src/ $HOME/app/src/
-COPY --chown=user ../models/ $HOME/app/models/
+# Copy the source code
+COPY --chown=user src/ $HOME/app/src/
+COPY --chown=user models/ $HOME/app/models/
 
-# Copy the main entry point from parent directory
-COPY --chown=user ../main.py $HOME/app/
-COPY --chown=user ../README.md $HOME/app/
+# Copy the main entry point
+COPY --chown=user main.py $HOME/app/
+COPY --chown=user README.md $HOME/app/
 
 # Expose the port that the app runs on (HF Spaces default is 7860)
 EXPOSE 7860