Milestone 3q - Improve RDF forms styles

[timea-solid]

This task must consolidate RDF forms from the perspective of:

• using the available previously created Web Components
• use the new theme styles
• consider creating new Web Components from the exiting RDf forms features.

[timea-solid]

Chatted with Noel how to proceed here. A couple of outcomes:

• in the same component folder structure we will create our new rdf-* components such as rdf-input
• they will be using existing web components - and we add the rdf capability