Additional doc updates including consistent renaming notices and glossary

[sid-swirl]

Branching Reminders

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

Description

• Consistent product renaming notice
• Link cleanup
• Rename AI Co Pilot and AI Connect to new names (in page URLs)
• Add glossary

Related Issue(s)

DS-3856

Testing and Validation

Built locally

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)