* service code

* [Feature][UI] Add front-end for cluster manage

* fix e2e

* remove comment on cluster controller

* doc

* img

* setting e2e.yaml

* test

* rerun e2e

* fix bug from comment

* Update index.tsx

use Nspace instead of css.

* Update index.tsx

Remove the style.

* Delete index.module.scss

Remove the useless file.
Co-authored-by: Nqianl4 <qianl4@cicso.com>
Co-authored-by: NWilliam Tong <weitong@cisco.com>
Co-authored-by: NAmy0104 <97265214+Amy0104@users.noreply.github.com>