fix: restore automatic language flags

public/images/flags/countries/dj.svg

@@ -0,0 +1,13 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-dj" viewBox="0 0 512 512">
+  <defs>
+    <clipPath id="dj-a">
+      <path fill-opacity=".7" d="M55.4 0H764v708.7H55.4z"/>
+    </clipPath>
+  </defs>
+  <g fill-rule="evenodd" clip-path="url(#dj-a)" transform="translate(-40)scale(.722)">
+    <path fill="#0c0" d="M0 0h1063v708.7H0z"/>
+    <path fill="#69f" d="M0 0h1063v354.3H0z"/>
+    <path fill="#fffefe" d="m0 0 529.7 353.9L0 707.3z"/>
+    <path fill="red" d="m221.2 404.3-42.7-30.8-42.4 31 15.8-50.3-42.4-31.2 52.4-.4 16.3-50.2 16.6 50 52.4.2-42.1 31.4z"/>
+  </g>
+</svg>