feat(command): ✨ temp. move inventory chat handling to command

This is temporary, and only the `toss` function.
Old functionality is still intact.
New code will eventually move back as a subcommand to replace the old.

lib/plugins/inventory.js

@@ -225,4 +225,4 @@ const unload = () => {
     bot.off('chat', inventory)
 }
 
-module.exports = { load, unload, equipItem, craftItem }
+module.exports = { load, unload, equipItem, craftItem, itemByName }