add mustaboard ico and tab descriptor

src/app/layout.tsx

@@ -30,8 +30,8 @@ const rubik = Rubik({
 })
 
 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: "mustaboard",
+  description: "UiO Gaming's informational screen.",
 };
 
 export default function RootLayout({