(Tyr) fix flashing console window on windows (#105)

add requireAdmin in app manist

easytier-gui/src-tauri/build.rs

@@ -1,3 +1,34 @@
 fn main() {
-    tauri_build::build()
+    if !cfg!(debug_assertions) && cfg!(target_os = "windows") {
+        let mut windows = tauri_build::WindowsAttributes::new();
+        windows = windows.app_manifest(
+            r#"
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <dependency>
+    <dependentAssembly>
+      <assemblyIdentity
+        type="win32"
+        name="Microsoft.Windows.Common-Controls"
+        version="6.0.0.0"
+        processorArchitecture="*"
+        publicKeyToken="6595b64144ccf1df"
+        language="*"
+      />
+    </dependentAssembly>
+  </dependency>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+        <requestedPrivileges>
+            <requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
+        </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>
+"#,
+        );
+        tauri_build::try_build(tauri_build::Attributes::new().windows_attributes(windows))
+            .expect("failed to run build script");
+    } else {
+        tauri_build::build();
+    }
 }