README: update pretty_name and follower data to 3,679; note v2 upgrade

description: English first, Chinese below

Bump version to 2.0.0

Update SKILL.md to v2.0 — 对话式context收集 + 日报 + 真实数据更新 + 资源链接

Add JSON-LD (SoftwareApplication + FAQPage) for GEO

Add Twitter/X Agent Operations SOP — full skill + en/ja/ko references

initial commit