Add Discord link to demo

Author: rvsia

packages/react-renderer-demo/src/app/src/components/common/discord-svg-icon.js

@@ -0,0 +1,10 @@
+import React from 'react';
+
+const DiscordIcon = props => (
+    <svg id="Layer_1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 245 240">
+        <path fill="#7289DA" d="M104.4 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1.1-6.1-4.5-11.1-10.2-11.1zM140.9 103.9c-5.7 0-10.2 5-10.2 11.1s4.6 11.1 10.2 11.1c5.7 0 10.2-5 10.2-11.1s-4.5-11.1-10.2-11.1z"/>
+        <path fill="#7289DA" d="M189.5 20h-134C44.2 20 35 29.2 35 40.6v135.2c0 11.4 9.2 20.6 20.5 20.6h113.4l-5.3-18.5 12.8 11.9 12.1 11.2 21.5 19V40.6c0-11.4-9.2-20.6-20.5-20.6zm-38.6 130.6s-3.6-4.3-6.6-8.1c13.1-3.7 18.1-11.9 18.1-11.9-4.1 2.7-8 4.6-11.5 5.9-5 2.1-9.8 3.5-14.5 4.3-9.6 1.8-18.4 1.3-25.9-.1-5.7-1.1-10.6-2.7-14.7-4.3-2.3-.9-4.8-2-7.3-3.4-.3-.2-.6-.3-.9-.5-.2-.1-.3-.2-.4-.3-1.8-1-2.8-1.7-2.8-1.7s4.8 8 17.5 11.8c-3 3.8-6.7 8.3-6.7 8.3-22.1-.7-30.5-15.2-30.5-15.2 0-32.2 14.4-58.3 14.4-58.3 14.4-10.8 28.1-10.5 28.1-10.5l1 1.2c-18 5.2-26.3 13.1-26.3 13.1s2.2-1.2 5.9-2.9c10.7-4.7 19.2-6 22.7-6.3.6-.1 1.1-.2 1.7-.2 6.1-.8 13-1 20.2-.2 9.5 1.1 19.7 3.9 30.1 9.6 0 0-7.9-7.5-24.9-12.7l1.4-1.6s13.7-.3 28.1 10.5c0 0 14.4 26.1 14.4 58.3 0 0-8.5 14.5-30.6 15.2z"/>
+    </svg>
+);
+
+export default DiscordIcon;

packages/react-renderer-demo/src/app/src/components/footer.js

@@ -14,6 +14,7 @@ import Typography from '@material-ui/core/Typography';
 import GhIcon from './common/gh-svg-icon';
 import NpmSvgIcon from './common/npm-svg-icon';
 import TwitterIcon from './common/twitter-svg-icon';
+import DiscordIcon from './common/discord-svg-icon';
 
 const RepoLink = ({ href, label }) => {
   const classes = makeStyles(theme => ({
@@ -104,6 +105,11 @@ const Footer = ({ open }) => {
                   href="https://github.com/data-driven-forms/react-forms"
                   label="React forms"
                 />
+                <ListSubheader className={ classes.listHeader }>Link to &nbsp; <SvgIcon><DiscordIcon /></SvgIcon></ListSubheader>
+                <RepoLink
+                  href="https://discord.gg/6sBw6WM"
+                  label="Discord server"
+                />
                 <ListSubheader className={ classes.listHeader }>Link to &nbsp; <SvgIcon><TwitterIcon /></SvgIcon></ListSubheader>
                 <RepoLink
                   href="https://twitter.com/DataDrivenForms"