feat: add Chinese language support for NSIS and MSI installers

- NSIS: SimpChinese + English
- WiX (MSI): zh-CN + en-US

rust-toolchain.toml

@@ -1,3 +0,0 @@
-[toolchain]
-channel = "nightly"
-targets = ["x86_64-pc-windows-gnu"]

src-tauri/tauri.conf.json

@@ -32,6 +32,14 @@
       "icons/128x128@2x.png",
       "icons/icon.icns",
       "icons/icon.ico"
-    ]
+    ],
+    "windows": {
+      "nsis": {
+        "language": ["SimpChinese", "English"]
+      },
+      "wix": {
+        "language": ["zh-CN", "en-US"]
+      }
+    }
   }
 }