Support custom search in quicklaunch web search

public/locales/en/common.json

@@ -283,7 +283,8 @@
     "quicklaunch": {
         "bookmark": "Bookmark",
         "service": "Service",
-        "search": "Search"
+        "search": "Search",
+        "custom": "Custom"
     },
     "wmo": {
         "0-day": "Sunny",

src/components/quicklaunch.jsx

@@ -80,7 +80,7 @@ export default function QuickLaunch({servicesAndBookmarks, searchString, setSear
         newResults.push(
           {
             href: searchProvider.url + encodeURIComponent(searchString),
-            name: `${searchProvider.name} ${t("quicklaunch.search")} `,
+            name: `${searchProvider.name ?? t("quicklaunch.custom")} ${t("quicklaunch.search")} `,
             type: 'search',
           }
         )

src/pages/index.jsx

@@ -197,8 +197,14 @@ function Home({ initialSettings }) {
   let searchProvider = null;
   const searchWidget = Object.values(widgets).find(w => w.type === "search");
   if (searchWidget) {
+    if (searchWidget.options?.provider === 'custom') {
+      searchProvider = {
+        url: searchWidget.options.url
+      }
+    } else {
       searchProvider = searchProviders[searchWidget.options?.provider];
     }
+  }
 
   useEffect(() => {
     function handleKeyDown(e) {