add help banner to providers and virtual api keys

src/components/AiProvidersBanner.tsx

@@ -0,0 +1,21 @@
+"use client";
+
+import { Sparkles } from "lucide-react";
+import { useTranslations } from "next-intl";
+import DismissableBanner from "./DismissableBanner";
+
+export const AiProvidersBanner = () => {
+    const t = useTranslations();
+
+    return (
+        <DismissableBanner
+            storageKey="ai-providers-banner-dismissed"
+            version={1}
+            title={t("aiProvidersBannerTitle")}
+            titleIcon={<Sparkles className="w-5 h-5 text-primary" />}
+            description={t("aiProvidersBannerDescription")}
+        />
+    );
+};
+
+export default AiProvidersBanner;