Update app.py

app.py

@@ -10,9 +10,9 @@ def welcome():
     return """
     <div>
         <h1>Hello!</h1>
-        <p>This service powers the <a href="https://x.com/TimeStampBuddy">@TimeStampBuddy</a>'s activity on Twitter.</p>
+        <p>This service powers the <a href="https://x.com/TimeStampBuddy" target="_blank" rel="noopener noreferrer">@TimeStampBuddy</a>'s activity on Twitter.</p>
         <p>For more details, visit 
-            <a href="https://github.com/Mihaiii/TimeStampBuddy">GitHub Repository</a>.
+            <a href="https://github.com/Mihaiii/TimeStampBuddy" target="_blank" rel="noopener noreferrer">GitHub Repository</a>.
         </p>
     </div>
     """