hook up logging to wasm, example uses new zig-js package

example/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "ghostty example",
+  "version": "0.1.0",
+  "description": "Example showing ghostty and wasm.",
+  "source": "index.html",
+  "browserslist": "> 0.5%, last 2 versions, not dead",
+  "scripts": {
+    "start": "parcel",
+    "build": "parcel build",
+    "check": "tsc --noEmit"
+  },
+  "author": "Mitchell Hashimoto",
+  "license": "MIT",
+  "devDependencies": {
+    "@parcel/transformer-inline-string": "^2.8.0",
+    "parcel": "^2.8.0",
+    "typescript": "^4.9.3"
+  },
+  "dependencies": {
+    "zig-js": "file:../vendor/zig-js/js"
+  }
+}