v0.0.7 | 블로그 기능 개선

- Post 모델 개선 (author_id, updated_at, view_count 등)
- Tag 모델 및 태그 기능 추가
- 댓글 기능 추가
- API 확장

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

blog/urls.py

@@ -1,10 +1,22 @@
 # blog/urls.py
 
-from django.urls import path
-from .views import PostListView, PostListCreateView, PostDetailView
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import PostListView, PostListCreateView, PostDetailView, CommentViewSet, TagListView
+
+# 댓글 라우터
+comment_router = DefaultRouter()
+comment_router.register(r'comments', CommentViewSet, basename='comment')
 
 urlpatterns = [
+    # 태그 관련
+    path('tags/', TagListView.as_view(), name='tag-list'),
+
+    # 포스트 관련
     path('posts/', PostListView.as_view(), name='post-list'),
     path('create/', PostListCreateView.as_view(), name='post-list-create'),
     path('posts/<int:pk>/', PostDetailView.as_view(), name='post-detail'),
+
+    # 댓글 관련 (포스트 하위 리소스)
+    path('posts/<int:post_pk>/', include(comment_router.urls)),
 ]