renamed django app folder to backend

Dockerfile

@@ -9,7 +9,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential gcc libldap2-dev libsasl2-dev libssl-dev git
 
 # install requirements
-COPY ./tubearchivist/requirements.txt /requirements.txt
+COPY ./backend/requirements.txt /requirements.txt
 RUN pip install --user -r requirements.txt
 
 # build ffmpeg
@@ -56,7 +56,7 @@ COPY docker_assets/nginx.conf /etc/nginx/sites-available/default
 RUN sed -i 's/^user www\-data\;$/user root\;/' /etc/nginx/nginx.conf
 
 # copy application into container
-COPY ./tubearchivist /app
+COPY ./backend /app
 COPY ./docker_assets/run.sh /app
 COPY ./docker_assets/uwsgi.ini /app