Add Support button to create-plugin template

packages/cli/templates/default-plugin/src/components/ExampleComponent/ExampleComponent.tsx.hbs

@@ -8,6 +8,7 @@ import {
   Content,
   ContentHeader,
   HeaderLabel,
+  SupportButton
 } from '@spotify-backstage/core';
 import ExampleFetchComponent from '../ExampleFetchComponent';
 
@@ -18,7 +19,7 @@ const ExampleComponent: FC<{}> = () => (
       <HeaderLabel label="Lifecycle" value="Alpha" />
     </Header>
     <Content>
-      <ContentHeader title="Plugin title" />
+      <ContentHeader title="Plugin title"><SupportButton></SupportButton></ContentHeader>
       <Grid
         container
         spacing={3}

packages/core/src/components/SupportButton/SupportButton.tsx

@@ -16,9 +16,9 @@ import GroupIcon from '@material-ui/icons/Group';
 // import { StackOverflow, StackOverflowTag } from 'shared/components/layout';
 
 type Props = {
-  slackChannel: string | string[];
-  email: string | string[];
-  plugin: any;
+  slackChannel?: string | string[];
+  email?: string | string[];
+  plugin?: any;
 };
 
 const useStyles = makeStyles(theme => ({