renamed seed to app_seed

app_seed.py

@@ -0,0 +1,7 @@
+from application import db, app
+from application.models import AllowedPlate
+
+with app.app_context():
+    AllowedPlate.query.delete()
+    db.session.add(AllowedPlate("MUN389"))
+    db.session.commit()