Adding Discord reference

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 We welcome bug reports, feature requests, and pull requests!
 
-Please discuss non-trivial changes in an issue or discussion first before implementing them.
+Please discuss non-trivial changes in a Github issue or on Discord first before implementing them.
 This way, we can avoid unnecessary work on both sides.
 
 ## Building

README.md

@@ -13,7 +13,7 @@
   |
   <a href="https://dora.carsmos.ai/docs/guides/">Guide</a>
   |
-  <a href="https://github.com/orgs/dora-rs/discussions">Discussion</a>
+  <a href="https://discord.gg/ucY3AMeu">Discord</a>
 </h2>
 
 <div align="center">
@@ -101,9 +101,11 @@ To go further, you can add a yolov5 operator, check out our getting started here
 
 The full documentation is available on our website: https://dora.carsmos.ai 
 
-## Discussion
+## Discussions
 
-Our main communication channel is our Github Project Discussion page: https://github.com/orgs/dora-rs/discussions
+Our main communication channel is:
+- [Our Discord server](https://discord.gg/ucY3AMeu)
+- [Our Github Project Discussion](https://github.com/orgs/dora-rs/discussions)
 
 Feel free to reach out on any topic, issues or ideas.