[ui] support adding urls via search

webui/src/util/search.ts

@@ -29,6 +29,9 @@ export async function createLabelled(label: string) {
     method: "PUT",
     headers: { "Content-Type": "application/json" },
     body: JSON.stringify({
+      entity: !label.match("^[\\w]+://[\\w]")
+        ? undefined
+        : { t: "Url", c: label },
       attribute: "LBL",
       value: {
         t: "String",