feat: add GitCode logo in top nav (#78)

Author: kagol

packages/common/src/assets/appIcon/gitcode-logo.svg

@@ -348,7 +348,8 @@ const toggleTheme = (event: MouseEvent) => {
               <div class="dropdown-app hand" v-for="app in level1.children.filter(lv => !lv.hide)" :key="app.title">
                 <a 
                   class="dropdown-app" 
-                  :href="app.href" 
+                  :href="app.href"
+                  :target="app.target || _self"
                   rel="noopener noreferrer" 
                   @click="app.onClick ? app.onClick($event) : null"
                 >

packages/common/src/components/header.vue

@@ -9,6 +9,7 @@ import tinyRobot from '../assets/appIcon/tiny-robot.svg'
 import tinyEditor from '../assets/appIcon/tiny-editor.svg'
 import GenuiSdk from '../assets/appIcon/genui-sdk.svg'
 import sketch from '../../../home/public/images/logo-sketch.svg'
+import gitcodeLogo from '../assets/appIcon/gitcode-logo.svg'
 import { createIsUnderline, downloadFile } from './common.ts'
 
 const isGitHubBuild = import.meta.env.MODE === 'github'
@@ -199,6 +200,13 @@ const menuItems = [
           event.preventDefault();
           downloadFile(`${import.meta.env.VITE_BASE}opentiny-design/downloadFile/TinyVue3.0_UI.KIT_202508.sketch`, 'TinyVue3.0_UI.KIT_202508.sketch')
         }
+      },
+      {
+        title: 'GitCode 源码仓库',
+        desc: '国内代码仓库，访问速度更快',
+        href: 'https://gitcode.com/opentiny',
+        logo: gitcodeLogo,
+        target: '_blank'
       }
     ]
   }