docs: add Discord link

Author: sam-goldman

README.md

@@ -198,7 +198,7 @@ See our [Contributing guide](./CONTRIBUTING.md) to learn how to contribute to To
 Please reach out if there's any way that we can improve Token.js!
 
 Here are a few ways you can reach us:
-* [Discord](TODO)
+* [Discord](https://discord.gg/7yb9cM7j4C)
 * [Schedule a meeting](https://calendly.com/sam_goldman/tokenjs)
 * Call or text: [+1 (516) 206-6928](tel:+15162066928)
 * Email: [sam@glade.so](mailto:sam@glade.so)

docs/contact-us.md

@@ -3,7 +3,7 @@
 Please reach out if there's any way that we can improve Token.js!
 
 Here are a few ways you can reach us:
-* [Discord](TODO)
+* [Discord](https://discord.gg/7yb9cM7j4C)
 * [Schedule a meeting](https://calendly.com/sam_goldman/tokenjs)
 * Call or text: [+1 (516) 206-6928](tel:+15162066928)
 * Email: [sam@glade.so](mailto:sam@glade.so)