feat: Gemini AI (doc OCR + face match) + role-assignment endpoints

- GeminiService (integrations/gemini, @Global): extractDocument (OCR fields) + faceMatch; graceful if no GEMINI_API_KEY
- documents: face-match now real via Gemini; POST /admin/documents/:id/ocr extracts fields for CS auto-fill
- roles: PATCH /admin/users/:id/role (admin) + POST /platform/users/role (bootstrap via x-platform-secret)
- config: gemini + platform.secret; .env.example entries

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

apps/driver/lib/controller/auth/verify_email_controller.dart

@@ -0,0 +1,16 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:sefer_driver/constant/links.dart';
+import 'package:sefer_driver/controller/functions/crud.dart';
+
+class VerifyEmailController extends GetxController {
+  TextEditingController verfyCode = TextEditingController();
+  @override
+  void onInit() async {
+    super.onInit();
+  }
+
+  sendverfications() async {
+    await CRUD().post(link: AppLink.sendVerifyEmail);
+  }
+}