feat: Flutter 앱 CORS origin 추가

- http://127.0.0.1:8080 추가 (Flutter 웹 개발)
- http://192.168.0.202:8080 추가 (Flutter 웹 개발)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

blog_prj/settings.py

@@ -132,7 +132,9 @@ MIDDLEWARE = [
 CORS_ALLOWED_ORIGINS = [
     "http://localhost:3000",
     "http://127.0.0.1:3000",
+    "http://127.0.0.1:8080",
     "http://192.168.0.100:3000",
+    "http://192.168.0.202:8080",
     "https://demo.test",
     "http://demo.test",
     "https://www.demo.test",