docs: theme updates and policy docs

[markmichon]

Description

• Finalizes the pre-soft launch theme w/ new icons, mobile nav, and general polish.
• Adds generated policies page
• updates command output files

Checklist

• I've added test coverage that shows my fix or feature works as expected.
• I've updated or added documentation if required.
• I've included usage information in the description if CLI behavior was updated or added.
• PR title follows Conventional Commits format