🔗feat(ui): Enhance About page with interactive project links and improve external link handling

**Changes:**
- Replace React Router `Link` components with native `<a>` tags for external links in About and Footer components
- Add clickable links for "NewAPI", "QuantumNous", and "One API v0.5.4" in the About page
- Link "NewAPI" to the main project repository (https://github.com/QuantumNous/new-api)
- Link "QuantumNous" to the organization page (https://github.com/QuantumNous)
- Link "One API v0.5.4" to the specific release page (https://github.com/songquanpeng/one-api/releases/tag/v0.5.4)
- Apply consistent styling with primary color theme and hover effects across all links
- Add proper security attributes (`rel="noopener noreferrer"`) to all external links

**i18n Updates:**
- Refactor i18n translation keys to support the new link structure
- Split the original copyright string into smaller, reusable translation keys
- Add new translation keys: `"© {{currentYear}}"` and `"| 基于"`
- Maintain backward compatibility for existing translations

**Benefits:**
- Improved user experience with direct access to relevant project resources
- Better SEO and link accessibility
- Consistent visual styling across all external links
- Enhanced security for external link navigation
- Proper separation of concerns between internal routing and external navigation

web/src/components/layout/Footer.js

@@ -81,14 +81,12 @@ const FooterBar = () => {
           <Typography.Text className="text-sm !text-semi-color-text-1">© {currentYear} {systemName}. {t('版权所有')}</Typography.Text>
         </div>
 
-        {isDemoSiteMode && (
-          <div className="text-sm">
-            <span className="!text-semi-color-text-1">{t('设计与开发由')} </span>
-            <span className="!text-semi-color-primary">Douyin FE</span>
-            <span className="!text-semi-color-text-1"> & </span>
-            <a href="https://github.com/QuantumNous" target="_blank" rel="noreferrer" className="!text-semi-color-primary hover:!text-semi-color-primary-hover transition-colors">QuantumNous</a>
-          </div>
-        )}
+        <div className="text-sm">
+          <span className="!text-semi-color-text-1">{t('设计与开发由')} </span>
+          <a href="https://github.com/QuantumNous/new-api" target="_blank" rel="noopener noreferrer" className="!text-semi-color-primary hover:!text-semi-color-primary-hover transition-colors font-medium">New API</a>
+          <span className="!text-semi-color-text-1"> & </span>
+          <a href="https://github.com/songquanpeng/one-api" target="_blank" rel="noopener noreferrer" className="!text-semi-color-primary hover:!text-semi-color-primary-hover transition-colors font-medium">One API</a>
+        </div>
       </div>
     </footer>
   ), [logo, systemName, t, currentYear, isDemoSiteMode]);