fix: copy application files directly into image root

- Copy tienda_ilusion contents to /app/ instead of subdirectory
- Remove volume mount from production docker-compose.yml
- Allows deployment without repository dependency

Refs #37

django.Dockerfile

@@ -5,4 +5,6 @@ WORKDIR /app/
 COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt
 
+COPY tienda_ilusion/ ./
+
 CMD ["python", "manage.py", "runserver", "0.0.0.0:9090"]