GearMenu (Classic)

# New Features * Add gear profiles to save, apply, rename and delete named snapshots of the addon configuration in a new Profiles settings category * Add profile export and import via a portable checksummed profile string to share setups between characters * Add chat notifications explaining why a gear swap failed (item not found, item locked, cursor busy, spell targeting, no bag space) * Add a Fallback to Base Item option that equips a plain copy of an item when the exact enchanted or engraved copy cannot be found * Add a public swap listener API (GM_RegisterSwapListener / GM_UnregisterSwapLi