Updated the pypi link in readme (#40)

README.md

@@ -30,7 +30,8 @@
         <a href="https://ragrank.readthedocs.io/latest/">Documentation</a> |
         <a href="https://api-ragrank.readthedocs.io/">API reference</a> |
         <a href="https://ragrank.readthedocs.io/latest/get_started/basic_evaluation.html">Quickstart</a> |
-        <a href="https://discord.gg/KzfVpds3">Join the Community</a>
+        <a href="https://discord.gg/KzfVpds3">Join the Community</a> |
+        <a href="https://pypi.org/project/ragrank/">Pypi</a> |
     <p>
 </h4>
 
@@ -91,4 +92,4 @@ If you encounter any issues, have questions, or would like to provide feedback,
 
 Join our community on Discord to connect with other users, ask questions, and share your experiences with Ragrank. We're here to help you make the most out of your NLP projects! 💬
 
-> Happy evaluating! 🙂
+> Happy evaluating! 🙂