* feat: add Context7 plugin for Cursor marketplace
Adds a Cursor plugin with MCP server (OAuth), rules, skills, and agent
for up-to-date library documentation lookup via Context7.
* chore: update Cursor plugin author to Context7
* fix: claude code plugin name and details image
* fix: claude code plugin name and details image
* update skill prompt
* fix: update plugin.json name and improve agent/skill instructions
* fix: update plugin README with correct install commands
* fix: remove max 3 calls warning