[frontend] Update SEO meta tags

frontend/index.html

@@ -4,6 +4,9 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/terminal.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta name="title" content="Master Coding Challenges">
+    <meta name="description"
+        content="Sharpen your coding skills with our vast collection of programming challenges. Practice, learn, and excel in your coding journey.">
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link