chore(deps): add electron-updater for auto-update flow

package.json

@@ -126,6 +126,7 @@
     "docx4js": "^2.0.1",
     "dompurify": "^3.3.1",
     "electron-store": "^10.1.0",
+    "electron-updater": "^6.8.9",
     "ffmpeg-static": "^5.3.0",
     "figlet": "^1.11.0",
     "highlight.js": "^11.11.1",
@@ -209,8 +210,20 @@
       "category": "public.app-category.productivity",
       "identity": null,
       "target": [
-        { "target": "dmg", "arch": ["x64", "arm64"] },
-        { "target": "zip", "arch": ["x64", "arm64"] }
+        {
+          "target": "dmg",
+          "arch": [
+            "x64",
+            "arm64"
+          ]
+        },
+        {
+          "target": "zip",
+          "arch": [
+            "x64",
+            "arm64"
+          ]
+        }
       ],
       "icon": "assets/icon.icns",
       "darkModeSupport": true,