Docs versioning

[artberger]

Summary:

• As a user, I want to quickly review the docs for the particular version that I have.
• As a contributor, I want to be able to document the way that a feature works without overwriting the steps that were accurate for a past release.

Initial approach:

• Try out the MkDocs Material theme's versioning capability
• Figure out how to integrate versioned docs into the doc build process

More resources:

• Issue where doc versioning first came up: Quickstart Started Guide Does Not Work #407
• Feb 27, 2025 meeting minutes where doc versioning was discussed

[danehans]

@artberger I have assigned this issue to you. It would be great if this issue can be resolved in time for the v0.2.0 release. Track the milestones for upcoming details on the release date. cc: @ahg-g in case this issue should be added to #362.