Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_nodes/rgthree-comfy/src_web/typings/index.d.ts

@@ -0,0 +1,30 @@
+/**
+ * Declare any global properties and import our other typings here.
+ */
+import "@comfyorg/frontend";
+import "./litegraph";
+import "./rgthree";
+import "./comfy";
+
+import type {
+  LGraphGroup as TLGraphGroup,
+  LGraphNode as TLGraphNode,
+  LGraph as TLGraph,
+  LGraphCanvas as TLGraphCanvas,
+  LiteGraph as TLiteGraph,
+} from "@comfyorg/frontend";
+
+declare global {
+  const LiteGraph: typeof TLiteGraph;
+  const LGraph: typeof TLGraph;
+  const LGraphNode: typeof TLGraphNode;
+  const LGraphCanvas: typeof TLGraphCanvas;
+  const LGraphGroup: typeof TLGraphGroup;
+  interface Window {
+    // Used in the common/comfyui_shim to determine if we're in the app or not.
+    comfyAPI: {
+      // So much more stuffed in here, add as needed.
+      [key: string]: any;
+    };
+  }
+}