chore: Update the documentation for configuring webhooks in the account (#4703)

swagger/paths/application/webhooks/create.yml

@@ -0,0 +1,19 @@
+tags:
+  - Webhooks
+operationId: create-a-webhook
+summary: Add a webhook
+description: Add a webhook subscription to the account
+parameters:
+  - $ref: '#/parameters/account_id'
+  - name: data
+    in: body
+    required: true
+    schema:
+      $ref: '#/definitions/webhook_create_update_payload'
+responses:
+  200:
+    description: Success
+    schema:
+      $ref: '#/definitions/webhook'
+  401:
+    description: Unauthorized