fix: center DUMPSTER and LOGIN headings on login screen

web/src/components/LoginForm.tsx

@@ -28,10 +28,10 @@ export function LoginForm() {
   return (
     <div className="h-full w-full flex items-center justify-center bg-gb-bg p-4">
       <div className="terminal-border bg-gb-bg-h p-6 w-full max-w-md">
-        <pre className="text-gb-orange font-mono text-lg mb-6">
+        <pre className="text-gb-orange font-mono text-lg mb-6 text-center">
           {"┌─ DUMPSTER ─┐"}
         </pre>
-        <h2 className="text-gb-fg-s mb-4">
+        <h2 className="text-gb-fg-s mb-4 text-center">
           {isRegister ? "[REGISTER]" : "[LOGIN]"}
         </h2>
         <form onSubmit={handleSubmit} className="space-y-4">