feat: auto-updater integration

- Install electron-updater
- New updater.ts: check/download/install with progress events
- IPC: updater:check, updater:download, updater:install, updater:status
- Preload bridge for updater API
- electron-builder publish config (github provider)
- Fix build files path: out -> electron-dist
- i18n keys for updater notifications (zh-CN + en)

package.json

@@ -31,9 +31,14 @@
       "output": "release"
     },
     "files": [
-      "out/**/*",
+      "electron-dist/**/*",
       "package.json"
     ],
+    "publish": {
+      "provider": "github",
+      "owner": "Jokul",
+      "repo": "JRedisDesktop"
+    },
     "linux": {
       "target": [
         "AppImage",
@@ -60,6 +65,7 @@
   },
   "dependencies": {
     "electron-store": "^11.0.2",
+    "electron-updater": "^6.8.9",
     "ioredis": "^5.7.0",
     "pinia": "^3.0.4",
     "ssh2": "^1.17.0"