Enterprise and Core: manage authorization tokens

[jstirnaman]

Start a server with (default) and without auth.

GA:

• Get-started instructions

• Core: Add Admin -> Manage tokens -> Admin

• Enterprise: Add Admin -> Manage tokens -> Admin,Resource (Database, System)

• Create

  • use CLI
  • use API

• List

  • CLI
  • API
  • CLI ref
  • API ref

• Delete resource token

  • use CLI
  • use API
  • CLI ref
  • API ref

• Regenerate admin

  • use CLI
  • use API
  • CLI ref
  • API ref

• Cleanup token placeholders in code samples

For examples, see tests in influxdata/influxdb#26243 (review)

[jstirnaman]

@peterbarnett03 FYI, Amid some work I'm doing for using the write API and client libraries, I'm starting a guide for creating tokens.

[jstirnaman]

For later: https://github.com/influxdata/influxdb_pro/issues/705