feat(integration): add search engine creation (#1816)

Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/validation/src/integration.ts

@@ -15,6 +15,7 @@ const integrationCreateSchema = z.object({
       value: z.string().nonempty(),
     }),
   ),
+  attemptSearchEngineCreation: z.boolean(),
 });
 
 const integrationUpdateSchema = z.object({