Update send-notification-flow.md

Author: tanhongit

docs/send-notification-flow.md

@@ -61,10 +61,10 @@ your real system**. Its purpose is only to clarify the feature's operating model
 erDiagram
     User ||--o{ Bot: owns
     User ||--o{ GitRepository: owns
-    Bot ||--|{ Webhook: creates
     GitRepository ||--o{ Webhook: has
     GitRepository ||--o{ Event: triggers
     Event ||--o{ Webhook: sends_through
+    Bot ||--|{ Webhook: creates
     Webhook ||--|{ Bot: received_by
     Bot ||--o{ Notification: sends
     Notification ||--o{ Recipient: received_by