update docs

fastapi_admin/templates/components/language.html

@@ -0,0 +1,26 @@
+<div class="nav-item me-3 dropdown d-none d-md-flex">
+    <a href="#" class="nav-link px-0" data-bs-toggle="dropdown" tabindex="-1"
+       aria-label="Show notifications">
+        <svg xmlns="http://www.w3.org/2000/svg"
+             class="icon icon-tabler icon-tabler-language"
+             width="24" height="24"
+             viewBox="0 0 24 24" stroke-width="2"
+             stroke="currentColor" fill="none"
+             stroke-linecap="round"
+             stroke-linejoin="round">
+            <path stroke="none" d="M0 0h24v24H0z" fill="none"></path>
+            <path d="M5 7h7m-2 -2v2a5 8 0 0 1 -5 8m1 -4a7 4 0 0 0 6.7 4"></path>
+            <path d="M11 19l4 -9l4 9m-.9 -2h-6.2"></path>
+        </svg>
+    </a>
+    <div class="dropdown-menu  dropdown-menu-arrow">
+        <a class="dropdown-item"
+           href="{{ {'language':'zh_CN'}|current_page_with_params }}">
+            <span class="me-2">🇨🇳</span>简体中文
+        </a>
+        <a class="dropdown-item"
+           href="{{ {'language':'en_US'}|current_page_with_params }}">
+            <span class="me-2">🇺🇸</span>English
+        </a>
+    </div>
+</div>