Modify ShareButtons for updated Twitter URL

Updated Twitter sharing URL to use 'x.com' and added conditional text parameter.

Author: Puneethteja

components/ShareButtons.tsx

@@ -7,14 +7,25 @@ interface ShareButtonsProps {
 
 export default function ShareButtons({ url, title = '' }: ShareButtonsProps) {
   const linkedinUrl = `https://www.linkedin.com/sharing/share-offsite/?url=${encodeURIComponent(url)}`;
-  const twitterUrl = `https://twitter.com/intent/tweet?url=${encodeURIComponent(url)}&text=${encodeURIComponent(title)}`;
+  const twitterUrl = `https://x.com/intent/tweet?url=${encodeURIComponent(url)}` + 
+    (title ? `&text=${encodeURIComponent(title)}` : '');
 
   return (
     <div className="flex gap-3">
-      <a href={linkedinUrl} target="_blank" rel="noopener noreferrer">
+      <a 
+        href={linkedinUrl} 
+        target="_blank" 
+        rel="noopener noreferrer" 
+        aria-label="Share on LinkedIn (opens in a new tab)"
+      >
         <FaLinkedin size={24} />
       </a>
-      <a href={twitterUrl} target="_blank" rel="noopener noreferrer">
+      <a 
+        href={twitterUrl} 
+        target="_blank" 
+        rel="noopener noreferrer" 
+        aria-label="Share on X / Twitter (opens in a new tab)"
+      >
         <FaXTwitter size={24} />
       </a>
     </div>