Get User Uploads

{
  "uploads": [
    {
      "id": "upload-uuid-1",
      "user_id": "user-uuid",
      "filename": "image1.webp",
      "description": "First upload",
      "upload_type": "image",
      "upvotes": 42,
      "downvote_count": 5,
      "created_at": "2025-01-24T12:00:00Z",
      "tags": [...]
    },
    {
      "id": "upload-uuid-2",
      "user_id": "user-uuid",
      "filename": "image2.webp",
      "description": "Second upload",
      "upload_type": "image",
      "upvotes": 28,
      "downvote_count": 3,
      "created_at": "2025-01-23T12:00:00Z",
      "tags": [...]
    }
  ],
  "username": "johndoe",
  "uploadCount": 42
}