Add Redis service and Celery configuration to Docker setup

- Introduced Redis service in both docker-compose files for production and development.
- Updated web and celery services to use Redis as the broker and result backend.
- Added necessary environment variables for Celery in settings.py.
- Included new tasks and soil_data apps in Django settings and updated URL routing.
- Updated requirements.txt to include Celery and Redis dependencies.

entrypoint.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+if [ "${SKIP_MIGRATE}" != "1" ]; then
+  echo "Running migrations..."
+  python manage.py migrate --noinput --fake-initial
+  echo "Migrations done."
+fi
+echo "Starting command: $*"
+exec "$@"