Display images in Harbor

Problem to solve

1. Display harbor registry in the project sidebar.
2. Display harbor registry in the group sidebar.
3. Add harbor registry page.

Design

https://www.figma.com/file/cYo4aOm4ZHVYWhgThmwiAW/%E6%9E%81%E7%8B%90GitLab%E9%9B%86%E6%88%90Harbor?node-id=22%3A2769

Proposal