gave colors to the launcher auth pages

Author: Torwent

src/routes/auth/launcher/failed/+page.svelte

@@ -1,6 +1,6 @@
 <main class="flex h-screen flex-col">
 	<div class="mx-auto my-44 text-center">
-		<h1 class="my-12 h1">Authentication Failed</h1>
+		<h1 class="my-12 h1 text-error-500">Authentication Failed</h1>
 
 		<p class="text-xl">Something went wrong!</p>
 	</div>

src/routes/auth/launcher/successful/+page.svelte

@@ -1,6 +1,6 @@
 <main class="flex h-screen flex-col">
 	<div class="mx-auto my-44 text-center">
-		<h1 class="my-12 h1">Authentication Complete</h1>
+		<h1 class="my-12 h1 text-success-500">Authentication Complete</h1>
 
 		<p class="text-xl">You may now close this window and return to the launcher!</p>
 	</div>