Docs migration from Vuepress to Docusaurus

[mmulji-ic]

Description

Related to #2066

This PR migrates from Vuepress to Docusaurus.

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Author Checklist

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please add links to any relevant follow up issues.

I have...

• included the correct docs: prefix in the PR title
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• reviewed "Files changed" and left comments if necessary
• confirmed all CI checks have passed

Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.

I have...

• Confirmed the correct docs: prefix in the PR title
• Confirmed all author checklist items have been addressed
• Confirmed that this PR only changes documentation
• Reviewed content for consistency
• Reviewed content for thoroughness
• Reviewed content for spelling and grammar
• Tested instructions (if applicable)

[MSalopek]

Any reason why there's so many conflicts?

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.