feat: Add blog, media, and support apps, implement ride credits and image API, and remove toplist feature.

backend/apps/blog/serializers.py

@@ -0,0 +1,60 @@
+from rest_framework import serializers
+from .models import Post, Tag
+from apps.accounts.serializers import UserSerializer
+from apps.media.serializers import CloudflareImageSerializer
+from django_cloudflareimages_toolkit.models import CloudflareImage
+
+class TagSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Tag
+        fields = ["id", "name", "slug"]
+
+class PostListSerializer(serializers.ModelSerializer):
+    """Lighter serializer for lists"""
+    author = UserSerializer(read_only=True)
+    tags = TagSerializer(many=True, read_only=True)
+    image = CloudflareImageSerializer(read_only=True)
+    
+    class Meta:
+        model = Post
+        fields = [
+            "id",
+            "title",
+            "slug",
+            "excerpt",
+            "image",
+            "author",
+            "published_at",
+            "tags",
+        ]
+
+class PostDetailSerializer(serializers.ModelSerializer):
+    author = UserSerializer(read_only=True)
+    tags = TagSerializer(many=True, read_only=True)
+    image = CloudflareImageSerializer(read_only=True)
+    image_id = serializers.PrimaryKeyRelatedField(
+        queryset=CloudflareImage.objects.all(), 
+        source='image', 
+        write_only=True,
+        required=False,
+        allow_null=True
+    )
+    
+    class Meta:
+        model = Post
+        fields = [
+            "id",
+            "title",
+            "slug",
+            "content",
+            "excerpt",
+            "image",
+            "image_id",
+            "author",
+            "published_at",
+            "is_published",
+            "tags",
+            "created_at",
+            "updated_at",
+        ]
+        read_only_fields = ["id", "slug", "created_at", "updated_at", "author"]