Conversion Hosts: add initial button for empty state screen

app/javascript/react/screens/App/Settings/screens/ConversionHostsSettings/components/ConversionHostsEmptyState.js

@@ -1,11 +1,19 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { Button } from 'patternfly-react';
+import ShowWizardEmptyState from '../../../../common/ShowWizardEmptyState/ShowWizardEmptyState';
 
 const ConversionHostsEmptyState = ({ showConversionHostWizard }) => (
   <React.Fragment>
-    <h2>TODO: render an EmptyState here</h2>;
-    <Button onClick={showConversionHostWizard}>{__('Configure Conversion Host')}</Button>
+    <ShowWizardEmptyState
+      description={
+        __('Select one or more hosts to be configured as IMS conversion hosts.') // prettier-ignore
+      }
+      showWizardAction={showConversionHostWizard}
+      buttonText={__('Configure Conversion Host')}
+      buttonHref=""
+      className="mappings"
+    />
   </React.Fragment>
 );