docs: add keypress handlers to refresh buttons

in the the mgt-get refresh story buttons now have keypress handlers
adds alerts to make actions apparent

Closes #2349

stories/components/get/get.stories.js

@@ -185,29 +185,51 @@ export const PollingRate = () => html`
 `;
 
 export const refresh = () => html`
-    <mgt-get cache-enabled="true" resource="/me/presence" version="beta" scopes="Presence.Read">
-      <template data-type="default"> {{availability}} </template>
-      <template data-type="loading">
-        <h2>Loading...?!?!</h2>
-      </template>
-    </mgt-get>
-
-    <div>
-      <label>get.refresh(false)</label>
-      <button id="false">Soft refresh</button>
-    </div>
+<div>
+    <label>get.refresh(false)</label>
+    <button id="false">Soft refresh</button>
+</div>
+<div>
     <label>get.refresh(true)</label>
     <button id="true">Hard refresh</button>
+</div>
 
+<mgt-get cache-enabled="true" resource="/me/messages" version="beta">
+  <template data-type="default"> {{ this }}</template>
+  <template data-type="loading">
+    <h2>Loading...?!?!</h2>
+  </template>
+</mgt-get>
+
+<script>
+const softRefreshButton = document.querySelector('#false');
+const hardRefreshButton = document.querySelector('#true');
+const getElement = document.querySelector('mgt-get');
+
+const softRefresh = () => {
+  alert('requesting soft refresh of mgt-get component');
+  getElement.refresh(false);
+};
 
-  <script>
+const hardRefresh = () => {
+  alert('requesting hard refresh of mgt-get component');
+  getElement.refresh(true);
+};
+
+softRefreshButton.addEventListener('click', softRefresh)
 
-    document.querySelector('#false').addEventListener('click', _ =>{
-          document.querySelector('mgt-get').refresh(false)
-    })
+softRefreshButton.addEventListener('keypress', event => {
+  if (event.key === 'Enter') {
+    softRefresh()
+  }
+});
 
-    document.querySelector('#true').addEventListener('click', _ =>{
-      document.querySelector('mgt-get').refresh(true)
-    })
-  </script>
+hardRefreshButton.addEventListener('click', hardRefresh)
+
+hardRefreshButton.addEventListener('keypress', event => {
+  if (event.key === 'Enter') {
+    hardRefresh()
+  }
+});
+</script>
 `;