Update readme and add new product demos

[srbhr]

Branching Reminders

• For core code changes, create a branch off develop
• For product documentation changes, create a branch off main
• Always name your branch in a way that clearly describes your proposed changes

Description

• Added new product demos
• Updated the messaging
• Updated the hero banner
• View the updated readme here.

Related Issue(s)

Testing and Validation

Type of Change

• Bug fix or other non-breaking change that addresses an issue
• New Feature / Enhancement (non-breaking change that add or improves functionality)
• New Feature (breaking change that is not backwards compatible and/or alters current functionality)
• Documentation (change to product documentation or README.md only)

[srbhr]

View the updated readme here.

[sid-swirl]

Instead of "Enterprise Search" (at bottom) say "Unified Search"

[sid-swirl]

Looks good, significantly clearer/shorter
Change enteprrise serach to unified search in next update