Fiori 3.0 Visual Update: Link - Addition of variations

[LeoT7508]

Visual updates:

• Added variations of Icon and emphasized variation for the link.

Design sheet can be found here: https://zpl.io/boZXlog

[saad-mo]

tested with the link with icons to the left and right. icon renders as expected.

https://sap.github.io/fundamental/components/link.html