v6.1.0

📚 PR:

• fix: way to get accesstoken and deprecated option (#173)
• chore: add Github example (#175)
• build(deps-dev): bump tsd from 0.22.0 to 0.23.0 (#176)
• build(deps-dev): bump tsd from 0.23.0 to 0.24.1 (#180)
• feat: introduce option to set additional getToken parameters (#178)