doc: update support level and screenshots in Asset Library docs

Author: rinevard

community/asset_library/img/assetlib_asset.png

@@ -21,19 +21,16 @@ AssetLib - at the moment, it's empty, as we are not logged in.
 Searching
 ~~~~~~~~~
 
-In the center is the **search bar + settings** section, and the **assets** section
-below it - this lets you filter out certain kinds of assets based on a host
-of criteria. These include the asset **category** (such as 2D tools, scripts
-and demos), **engine version** they are intended for, **sorting order** (by
-update date, by name, etc.) and **support level**.
+In the left sidebar is the **search bar + settings** section, and the **assets** section 
+takes up the main content area on the right. Below the search bar, you can filter assets 
+by **category** (such as 2D tools, scripts and demos), **engine version**, **license**, 
+**sorting order** (by update date, by name, etc.) and **support level**.
 
 While most other filter settings should be fairly self-explanatory, it's worth
 going over what "support level" means in the Asset Library.
 Currently there are three support levels, and each asset can belong to only one.
 
-**Official** assets are created and maintained by the official Godot Engine
-developers. Currently, these include the official engine demos, which showcase
-how various areas of the engine work.
+**Featured** assets are hand-picked resources recognized for their value to the community.
 
 **Community** assets are submitted and maintained by the members of the
 Godot community.