Add extension build dependencies

package.json

@@ -0,0 +1,17 @@
+{
+  "name": "inscriboor",
+  "version": "0.2.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "node build.mjs",
+    "test": "node --test tests/*.test.js"
+  },
+  "dependencies": {
+    "@cmdcode/tapscript": "1.5.3",
+    "@noble/curves": "1.9.7"
+  },
+  "devDependencies": {
+    "esbuild": "0.25.10"
+  }
+}