v0.2.0 トークン再発行機能の追加

What's Changed

• Create .github/dependabot.yml by @hapoon in #3
• Update README.md. by @hapoon in #4
• 5 token issue command implementation by @hapoon in #7
• Add version function. by @hapoon in #8

Full Changelog: v0.1.0...v0.2.0