docs(readme): add discord badge

README.md

@@ -28,6 +28,7 @@
   <a href="https://pypistats.org/packages/sec-ai"><img src="https://img.shields.io/pypi/dm/sec-ai.svg" alt="PyPI downloads"></a>
   <br>
   <b>Community ➔&nbsp;&nbsp;&nbsp;&nbsp;</b>
+  <a href="https://discord.gg/w6bpyBW6"><img alt="Discord" src="https://img.shields.io/discord/1164249739836018698"></a>
   <a href="http://hits.dwyl.com/alphanome-ai/sec-ai"><img src="https://img.shields.io/endpoint?url=https%3A%2F%2Fhits.dwyl.com%2Falphanome-ai%2Fsec-ai.json%3Fshow%3Dunique" alt="HitCount" /></a>
   <a href="https://twitter.com/alphanomeai"><img alt="X (formerly Twitter) Follow" src="https://img.shields.io/twitter/follow/alphanomeai"></a>
   <a href="https://github.com/alphanome-ai/sec-ai"><img src="https://img.shields.io/github/stars/alphanome-ai/sec-ai.svg?style=social&label=Star us on GitHub!" alt="GitHub stars"></a>