Imposta app desktop Electron/Vue con backend FastAPI

- Aggiunge scaffold frontend Vue con UI base e build verso renderer
- Introduce backend FastAPI con endpoint generazione e salvataggio JSON
- Sposta i generatori in backend e aggiorna CLI main.py
- Aggiorna README, requirements e .gitignore per artefatti e config
- Configura Electron (main/preload) e script npm per dev/build

package.json

@@ -0,0 +1,45 @@
+{
+  "name": "addressgen",
+  "version": "0.1.0",
+  "description": "Desktop app for generating Bitcoin addresses",
+  "main": "desktop/main.js",
+  "scripts": {
+    "setup:py": "python3 -m pip install -r requirements.txt",
+    "dev:backend": "python3 backend/app.py",
+    "dev:frontend": "vite --config frontend/vite.config.js",
+    "dev:electron": "wait-on http://localhost:5173 && electron .",
+    "dev": "concurrently -k \"npm:dev:backend\" \"npm:dev:frontend\" \"npm:dev:electron\"",
+    "build:frontend": "vite build --config frontend/vite.config.js",
+    "build:backend": "pyinstaller --name addressgen-backend --onefile backend/app.py --distpath backend/dist --workpath backend/build --specpath backend",
+    "build": "npm run build:frontend && npm run build:backend && electron-builder --linux"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.0",
+    "concurrently": "^8.2.2",
+    "electron": "^30.0.0",
+    "electron-builder": "^24.13.3",
+    "vite": "^5.4.0",
+    "vue": "^3.4.0",
+    "wait-on": "^7.2.0"
+  },
+  "build": {
+    "appId": "com.addressgen.app",
+    "productName": "AddressGen",
+    "directories": {
+      "output": "release"
+    },
+    "files": [
+      "desktop/**",
+      "frontend/**"
+    ],
+    "extraResources": [
+      {
+        "from": "backend/dist/addressgen-backend",
+        "to": "backend/addressgen-backend"
+      }
+    ],
+    "linux": {
+      "target": ["AppImage"]
+    }
+  }
+}