Bump version to 1.0.1

Fixes plugin manifest validation (auto-discovery instead of explicit
component paths), simplified agent description, hooks duplicate fix.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Add badges, Discord link, and contributing section to README

Badges: Leeroopedia KB, license, Discord, commit activity, YC X25.
Style matches leeroopedia-mcp repo.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>