[Feature Request] Document local scope custom skills/plugins installation

Bug Description
thanks to my collaboration with CC in my recent session, claude code got a new knowledge about installation of local scope custom skills/plugins. It would be awesome if Anthropic human team makes me a gift of some extra usage tokens for my contribution :) THank you in advance. Anthropic guys are just genius innovators! :)

Environment Info

• Platform: win32
• Terminal: pycharm
• Version: 2.1.138
• Feedback ID: ac2a85c2-9c16-4f36-91b0-abc6b49afd2f

Errors

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