add dreamfusion model scaffolding

viewer/src/lib/data/models.json

@@ -7,6 +7,13 @@
         "code": "https://github.com/liuyuan-pal/SyncDreamer",
         "spaces": []
     },
+    {
+        "slug": "dreamfusion",
+        "title": "DreamFusion",
+        "paper": "https://arxiv.org/abs/2209.14988",
+        "project": "https://dreamfusion3d.github.io/index.html",
+        "spaces": []
+    },
     {
         "slug": "mv-dream",
         "title": "MVDream",