Add missing alt text to pages

[madison-oates]

Summary

Updating pages to add alt text where it is missing

Related PRs, issues, or features (optional)

• https://kobiton.atlassian.net/browse/KOB-46729
• https://kobiton.atlassian.net/browse/KOB-46732
• https://kobiton.atlassian.net/browse/KOB-46732
• https://kobiton.atlassian.net/browse/KOB-46732
• https://kobiton.atlassian.net/browse/KOB-46732
• https://kobiton.atlassian.net/browse/KOB-46732
• https://kobiton.atlassian.net/browse/KOB-46733
• https://kobiton.atlassian.net/browse/KOB-46736
• https://kobiton.atlassian.net/browse/KOB-46741
• preview link: http://10.2.7.208/

Metadata

• [ ] Adds new file(s)
• [ ] Edits existing file(s)
• [ ] Removes file(s)

PR contributor checklist

• [ ] My PR follows the Kobiton Docs contributor guidelines, meaning:

  • My content contains correct spelling and grammar.
  • My directories and files are named and structured correctly.
  • My style and voice follows the Microsoft Style Guide.
  • I added all new pages to their section's nav.adoc file.
  • I removed all localizations (like en-us) from my URLs.