docs(website): change chat link to discord

Author: christianalfoni

packages/overmind-website/src/components/Footer/index.tsx

@@ -19,11 +19,7 @@ const Footer: SFC = () => {
         </a>
         <div> Copyright © 2019 Christian Alfoni</div>
       </div>
-      <a
-        href="https://spectrum.chat/overmindjs"
-        target="_new"
-        className={styles.chat}
-      >
+      <a href="https://discord.gg/YKw9Kd" target="_new" className={styles.chat}>
         <Icon>chat</Icon>
       </a>
     </div>