Avasam b83e25a911 Update bad shell assumptions from "Shell autocompletion" page (#11202) ...

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## Summary

- PowerShell isn't Windows-only
- Bash/Elvish isn't UNIX-only
- PowerShell profile won't necessarily exist
- Extracted the `echo $SHELL` tip to a tip tooltip

The new PowerShell lines are taken directly from
https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_profiles?view=powershell-7.5#how-to-create-a-profile

Note that the "Standalone installer" commands are unaffected. Running
the Linux one through PowerShell worked just fine.

## Test Plan

Look at the page generated from this PR
<!-- How was it tested? -->

2025-02-05 17:33:48 -06:00

..

features.md

Misc. improvements to the documentation (#11255)

2025-02-05 17:22:09 -06:00

first-steps.md

Fix outdated references to the help menu documentation in the first steps page (#6980)

2024-09-03 17:14:38 -05:00

help.md

Add a troubleshooting section and reproducible example guide (#10947)

2025-01-27 13:29:23 -06:00

index.md

Disable collapsible navigation in the documentation (#5674)

2024-08-16 18:09:21 -05:00

installation.md

Update bad shell assumptions from "Shell autocompletion" page (#11202)

2025-02-05 17:33:48 -06:00