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

backend/apps/blog/models.py

@@ -0,0 +1,45 @@
+from django.db import models
+from django.conf import settings
+from apps.core.models import SluggedModel
+# Using string reference for CloudflareImage
+from django_cloudflareimages_toolkit.models import CloudflareImage
+
+class Tag(SluggedModel):
+    name = models.CharField(max_length=50, unique=True)
+    
+    class Meta:
+        ordering = ["name"]
+
+    def __str__(self):
+        return self.name
+
+class Post(SluggedModel):
+    title = models.CharField(max_length=255)
+    content = models.TextField(help_text="Markdown content supported")
+    excerpt = models.TextField(blank=True, help_text="Short summary for lists")
+    
+    image = models.ForeignKey(
+        CloudflareImage,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="blog_posts",
+        help_text="Featured image"
+    )
+    
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name="blog_posts"
+    )
+    
+    published_at = models.DateTimeField(null=True, blank=True, db_index=True)
+    is_published = models.BooleanField(default=False, db_index=True)
+    
+    tags = models.ManyToManyField(Tag, blank=True, related_name="posts")
+    
+    class Meta:
+        ordering = ["-published_at", "-created_at"]
+
+    def __str__(self):
+        return self.title