issue-159 Add delete button to part profile (for part owner)

schema had to be update to add a deleted boolean to part.
Easier than setting up cascading deletes for comments and reactions.
resolves #159

web/src/components/ConfirmDialog/ConfirmDialog.stories.js

@@ -0,0 +1,7 @@
+import ConfirmDialog from './ConfirmDialog'
+
+export const generated = () => {
+  return <ConfirmDialog />
+}
+
+export default { title: 'Components/ConfirmDialog' }