fix links (#1916)

README.md

@@ -8,12 +8,12 @@
   <p align="center">
     <a href="https://mem0.ai">Learn more</a>
     ·
-    <a href="https://mem0.ai/discord">Join Discord</a>
+    <a href="https://mem0.dev/DiG">Join Discord</a>
   </p>
 </p>
 
 <p align="center">
-  <a href="https://mem0.ai/discord">
+  <a href="https://mem0.dev/DiG">
     <img src="https://dcbadge.vercel.app/api/server/6PzXDgEjG5?style=flat" alt="Mem0 Discord">
   </a>
   <a href="https://pepy.tech/project/mem0ai">
@@ -195,13 +195,13 @@ For detailed usage instructions and API reference, visit our documentation at [d
 
 Join our community for support and discussions. If you have any questions, feel free to reach out to us using one of the following methods:
 
-- [Join our Discord](https://mem0.ai/discord)
+- [Join our Discord](https://mem0.dev/DiG)
 - [Follow us on Twitter](https://x.com/mem0ai)
 - [Email founders](mailto:founders@mem0.ai)
 
 ## Contributors
 
-Join our [Discord community](https://mem0.ai/discord) to learn about memory management for AI agents and LLMs, and connect with Mem0 users and contributors. Share your ideas, questions, or feedback in our [GitHub Issues](https://github.com/mem0ai/mem0/issues).
+Join our [Discord community](https://mem0.dev/DiG) to learn about memory management for AI agents and LLMs, and connect with Mem0 users and contributors. Share your ideas, questions, or feedback in our [GitHub Issues](https://github.com/mem0ai/mem0/issues).
 
 We value and appreciate the contributions of our community. Special thanks to our contributors for helping us improve Mem0.