update:Gunicorn command to use correct WSGI application path

Revised the Gunicorn startup command to reference `fbr.wsgi:application` instead of `config.wsgi`. This ensures the correct WSGI application module is used when the server starts.

paas_entrypoint.sh

@@ -2,6 +2,7 @@
 
 set -ex # Prints each command as it runs. If a command fails, it will halt at that point
 
-cd fbr || exit 1
 poetry run python manage.py migrate --noinput
-poetry run gunicorn config.wsgi --bind "0.0.0.0:$PORT"
+
+# Start the server
+poetry run gunicorn fbr.wsgi:application --bind "0.0.0.0:$PORT"