Update entrypoint.sh

entrypoint.sh

@@ -1,5 +1,14 @@
 #!/bin/bash
 
+airflow db init
+airflow users create \
+    --username admin \
+    --firstname Admin \
+    --lastname User \
+    --role Admin \
+    --email admin@example.com \
+    --password admin
+
 # Start the webserver in the background
 airflow webserver --port 7860 &