implement searchOrCreate for boards

src/View/Components/newItemEntry.tsx

@@ -0,0 +1,16 @@
+import * as React from "../../react";
+import CoreViewModel from "../../ViewModel/Global/coreViewModel";
+
+export function NewItemEntry(coreViewModel: CoreViewModel, query: React.State<string>, fn: ()=>void) {
+    const isHidden = React.createProxyState([query],()=>query.value == "");
+    const label = React.createProxyState([query],()=>coreViewModel.translations.general.createLabel(query.value));
+
+    return <button
+	class="standard slide-up"
+	toggle:hidden={isHidden}
+	on:click={fn}
+    >
+	<span subscribe:innerText={label}></span>
+	<span class="icon">add</span>
+    </button>
+}