[cXF] RSS Feeds for Single Nodes 1.1.0

Description:
Add RSS icon on forum list for every single node, on forum view next to forum title and customize them.

Features:

• Show RSS icon on forum list
• Show RSS icon only on node hover
• Show RSS icon next to Node title
• Show RSS icon on top position
• Show RSS icon next to board title
• Show RSS icon on forum view
• Hide RSS icon on mobile Forum list
• Hide RSS icon on mobile Forum view
• customize RSS icon in style propertie

Screens: (below are examples of different settings)