chore(desktop): 添加 .gitignore 和多平台构建脚本

apps/desktop/.gitignore

@@ -0,0 +1,6 @@
+# Dependencies
+node_modules/
+
+# Electrobun build output
+build/
+artifacts/

apps/desktop/package.json

@@ -5,7 +5,9 @@
   "type": "module",
   "scripts": {
     "build": "electrobun build --env=canary",
+    "build:all": "electrobun build --env=canary --targets=all",
     "build:stable": "electrobun build --env=stable",
+    "build:stable:all": "electrobun build --env=stable --targets=all",
     "dev": "electrobun dev",
     "fix": "biome check --write",
     "typecheck": "tsc --noEmit"

bun.lock

@@ -7,7 +7,7 @@
       "devDependencies": {
         "@biomejs/biome": "^2.3.14",
         "turbo": "^2.8.3",
-        "typescript": "catalog:",
+        "typescript": "^5.9.3",
       },
     },
     "apps/desktop": {