[DOC] - Nebari getting started follow-up items

[trallard]

Changes required, that will be addressed in separate issues:

• Add links to the advanced-setting section, ref.
• Mention project naming conventions
• Add Alt text and mouse over text to images, ref.
• Link to Keycloak docs for root management?, ref.
• Add troubleshooting question for Can't find my KUBECONFIG_FILE on /temp, what should I do? ? ref.
• Add more clinical presentation of the features present/absent in each cloud provider option, ref.
• Need to add a link here to the 'base costs' section of the docs. ref.
• Need to add docs regarding local and pre-existing Kubernetes installation options, why use them, and what`s the difference? ref.

Originally posted by @viniciusdc in nebari-dev/nebari#45 (comment)

[trallard]

• Add links from the getting started to the How to guides https://www.nebari.dev/getting-started/installing-nebari - i.e. what are the next steps folks want to follow à-la https://www.gatsbyjs.com/docs/tutorial/part-0/#whats-coming-next
• @kcpevey will run through the installation herself to find more gotchas

[kcpevey]

• Add links to the advanced-setting section, ref.
  • [DOC] - Update advanced-settings discussion in Getting Started #102
  • [ENH] Add advanced-settings docs  #115
• Mention project naming conventions
  • [DOC] - Add notes on project naming conventions #103
  • Add naming conventions for project name #290
• Add Alt text and mouse over text to images, ref.
  • [DOC] - Add/update alt text throughout documentation #104
  • [WIP] Sprint: Add/update alt-text for images #222
• Link to Keycloak docs for root management?, ref.
  • [DOC] - Add link to keycloak docs for root management #105
• Add troubleshooting question for Can't find my KUBECONFIG_FILE on /temp, what should I do? ? ref.
  • [DOC] Add Troubleshooting page #83 (comment)
• Add more clinical presentation of the features present/absent in each cloud provider option, ref.
  • [DOC] - Add more clinic analysis of cloud provider options #106
• Need to add a link here to the 'base costs' section of the docs. ref.
  • [DOC] - Add note on minimum infra and permissions required #107
  • I suspect this can be closed or iceboxed?
• Need to add docs regarding local and pre-existing Kubernetes installation options, why use them, and what`s the difference? ref.
  • [DOC] - Add explanation for choosing to deploying Nebari on an "existing" kubernetes cluster #108