chore: update sitemap link (#22209)

docs/.vitepress/crowdin/en-US/pages/home.json

@@ -24,5 +24,6 @@
   "title": "Element Plus",
   "title_sub": "A Vue 3 based component library for designers and developers",
   "china_mirror": "China Mirror 🇨🇳",
-  "discord": "Discord"
+  "discord": "Discord",
+  "site_map": "Site Map"
 }

docs/.vitepress/vitepress/components/globals/vp-footer.vue

@@ -15,13 +15,6 @@ const homeLang = computed(() => homeLocale[lang.value])
   <footer class="footer" :class="{ 'is-home': isHome }">
     <div class="footer-main">
       <h4>{{ homeLang['10'] }}</h4>
-      <a
-        href="https://github.com/element-plus/element-plus"
-        class="footer-main-link"
-        target="_blank"
-      >
-        {{ homeLang['11'] }}
-      </a>
       <a
         href="https://cn.element-plus.org/zh-CN/"
         class="footer-main-link"
@@ -43,10 +36,24 @@ const homeLang = computed(() => homeLocale[lang.value])
       >
         {{ homeLang['13'] }}
       </a>
+      <a
+        href="https://element-plus.org/sitemap.xml"
+        class="footer-main-link"
+        target="_blank"
+      >
+        {{ homeLang['site_map'] }}
+      </a>
     </div>
 
     <div class="footer-main">
       <h4>{{ homeLang['19'] }}</h4>
+      <a
+        href="https://github.com/element-plus/element-plus"
+        class="footer-main-link"
+        target="_blank"
+      >
+        {{ homeLang['11'] }}
+      </a>
       <a
         href="https://discord.com/invite/gXK9XNzW3X"
         class="footer-main-link"