Stage 1: app skeleton — Electron window, sidebar/editor layout, light/dark CSS, esbuild build, typecheck

package.json

@@ -0,0 +1,26 @@
+{
+  "name": "folio",
+  "version": "0.1.0",
+  "description": "A simple, local, open-source desktop writing app.",
+  "productName": "Folio",
+  "author": "Folio Contributors",
+  "license": "MIT",
+  "main": "dist/main.js",
+  "scripts": {
+    "build": "node esbuild.config.mjs",
+    "build:watch": "node esbuild.config.mjs --watch",
+    "electron": "electron .",
+    "dev": "concurrently -k \"npm run build:watch\" \"wait-on dist/main.js && npm run electron\"",
+    "start": "npm run build && npm run electron",
+    "lint": "tsc --noEmit",
+    "package": "electron-builder"
+  },
+  "devDependencies": {
+    "@types/node": "^22.5.0",
+    "concurrently": "^9.0.0",
+    "electron": "^32.0.0",
+    "esbuild": "^0.24.0",
+    "typescript": "^5.5.0",
+    "wait-on": "^8.0.0"
+  }
+}