[Workspace] Workspace overview page

[Hailong-am]

Add a new workspace overview page. when a new workspace created it will redirect to overview page. In this page, it will first show start working section that will list few quick start cards based on the features enabled in this workspace.

After that, there will have 3 tabs

• overview will have workspace description, recent worked items and widgets registered by plugins
• library will list all saved objects belongs to this workspace
• setting will be workspace updating page

How does the page look like

Overview page

Getting started modal

Related to #4944