Ask AI: configure sources into groups

[jstirnaman]

Implement new source groups for Ask AI

• In progress Sandbox sources into hierarchical groups and subgroups.
• Test.
• Implement group-filtered chats in docs-v2
• Deploy and test in staging

Proposed groupings

Important considerations:

• subgroups inherit knowledge from parent sources

Global

• Documentation TCK
  • Kapacitor
  • Chronograf
  • Telegraf
• InfluxDB 3 (version group)
  • InfluxDB 3 Enterprise (product group)
    • Documentation InfluxDB 3 Enterprise
    • Documentation InfluxDB 3 Enterprise API
  • InfluxDB 3 Core (product group)
    • Documentation InfluxDB 3 Core
    • Documentation InfluxDB 3 Core API
  • influxdb3-python client library (source)
  • influxdb3-javascript client library
    ...
• InfluxDB 2 (version group)
• InfluxDB 1 (version group)