Meta Quest File Manager v0.3.0

What's Changed

• [codex] Add direct Rusty Kiosk control and onboarding by @MesmerPrism in #4
• [codex] Simplify and align onboarding by @MesmerPrism in #5
• [codex] Add visual File Manager onboarding guide by @MesmerPrism in #6
• [codex] prepare File Manager 0.3.0 release by @MesmerPrism in #7

Full Changelog: v0.2.1...v0.3.0