[Glitch] Code style improvements in JavaScript

Port fd76955f39 to glitch-soc

* JS-linter: fix trailing comma's

* Configure eslinter to ignore this onchange error.

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/features/lists/index.js

@@ -73,7 +73,7 @@ class Lists extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {lists.map(list =>
-            <ColumnLink key={list.get('id')} to={`/timelines/list/${list.get('id')}`} icon='list-ul' text={list.get('title')} />
+            <ColumnLink key={list.get('id')} to={`/timelines/list/${list.get('id')}`} icon='list-ul' text={list.get('title')} />,
           )}
         </ScrollableList>
       </Column>