change default theme to dark

frontend/src/App.jsx

@@ -3000,7 +3000,7 @@ function Landing({
               Toothless' TSS Bot
             </h1>
             <p className="mt-6 max-w-2xl text-xl leading-9 text-text-soft">
-              Powered by Spectra. TSS analytics.
+              YOUR TSS web companion, free forever ♥
             </p>
             <div className="mt-8 w-full max-w-xl">
               <div className="grid gap-4 sm:grid-cols-3">