Add preliminary types

Author: GarboMuffin

package-lock.json

@@ -3,6 +3,7 @@
   "version": "0.3.0",
   "description": "Minimal Scratch project runner.",
   "main": "./dist/scaffolding-min.js",
+  "types": "./types.d.ts",
   "exports": {
     ".": "./dist/scaffolding-min.js",
     "./min": "./dist/scaffolding-min.js",
@@ -32,5 +33,8 @@
     "scratch-vm": "github:TurboWarp/scratch-vm#develop",
     "webpack": "^4.47.0",
     "webpack-cli": "^4.10.0"
+  },
+  "dependencies": {
+    "@turbowarp/types": "github:TurboWarp/types-tw#tw"
   }
 }

package.json

@@ -0,0 +1,21 @@
+/// <reference path="./node_modules/@turbowarp/types/index.d.ts" />
+
+declare module "@turbowarp/scaffolding" {
+  class Scaffolding {
+    width: number;
+    height: number;
+    resizeMode: "preserve-ratio" | "dynamic-resize" | "stretch";
+    editableLists: boolean;
+    shouldConnectPeripherals: boolean;
+    usePackagedRuntime: boolean;
+    appendTo(element: HTMLElement): void;
+    relayout(): void;
+    setup(): void;
+    setUsername(username: string): void;
+    loadProject(project: ArrayBuffer | Uint8Array): Promise<void>;
+    start(): void;
+    greenFlag(): void;
+    stopAll(): void;
+    vm: import('scratch-vm');
+  }
+}