chore: ignore bot files

Author: hamed-shirbandi

.gitignore

@@ -669,4 +669,7 @@ fabric.properties
 
 # End of https://www.toptal.com/developers/gitignore/api/dotnetcore,visualstudio,visualstudiocode,rider,csharp
 /.nuke/temp/execution-plan.html
-/.nuke/build.schema.json
+/.nuke/build.schema.json
+
+# Generated AI images
+**/wwwroot/bots