feat: add changing email (#634)

app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailSuccess.tsx

@@ -0,0 +1,12 @@
+import { FunctionalComponent } from 'preact';
+
+export const ChangeEmailSuccess: FunctionalComponent = () => {
+  return (
+    <>
+      <div className={'sk-label sk-bold info'}>Your email has been successfully changed.</div>
+      <p className={'sk-p'}>
+        Please ensure you are running the latest version of Standard Notes on all platforms to ensure maximum compatibility.
+      </p>
+    </>
+  );
+};