Add feedback form and webhook

backend/app/config.py

@@ -101,5 +101,10 @@ class Settings(BaseSettings):
         default=None, validation_alias=AliasChoices("QBIT_PASSWORD", "QBITTORRENT_PASSWORD")
     )
 
+    discord_webhook_url: Optional[str] = Field(
+        default="https://discord.com/api/webhooks/1464141924775629033/O_rvCAmIKowR04tyAN54IuMPcQFEiT-ustU3udDaMTlF62PmoI6w4-52H3ZQcjgHQOgt",
+        validation_alias=AliasChoices("DISCORD_WEBHOOK_URL"),
+    )
+
 
 settings = Settings()