Replace js by ts

src-tauri/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "brittle-pdf-viewer",
+  "version": "1.0.0",
+  "description": "TypeScript build system for Brittle PDF viewer",
+  "private": true,
+  "scripts": {
+    "build:ts": "tsc -p tsconfig.json",
+    "watch:ts": "tsc -w -p tsconfig.json",
+    "build:all": "npm run build:ts && npm run copy:assets",
+    "copy:assets": "cp -r dist/* assets/viewer/ || true"
+  },
+  "devDependencies": {
+    "typescript": "^5.4.5",
+    "@types/node": "^20.12.7"
+  }
+}