✨ Add WhatsApp integration beta test (#722)

Related to #401

apps/viewer/src/helpers/server/routers/v1/_app.ts

@@ -1,5 +1,6 @@
 import { getUploadUrl } from '@/features/blocks/inputs/fileUpload/api/getUploadUrl'
 import { sendMessage } from '@/features/chat/api/sendMessage'
+import { whatsAppRouter } from '@/features/whatsApp/api/router'
 import { router } from '../../trpc'
 import { updateTypebotInSession } from '@/features/chat/api/updateTypebotInSession'
 
@@ -7,6 +8,7 @@ export const appRouter = router({
   sendMessage,
   getUploadUrl,
   updateTypebotInSession,
+  whatsAppRouter,
 })
 
 export type AppRouter = typeof appRouter