Input groups

[dannyk3941]

What's this PR do?

• Input group components

Where should the reviewer start?

• n/a

How should this be manually tested?

• n/a

Any background context you want to provide?

• Final PR before move to new repo

What are the relevant tickets?

• n/a

Screenshots (if appropriate)

Questions:

• Is there a blog post?
• Does the knowledge base need an update?