Introducing tagging 🏷️

You can now add tags to you agents to better filter and group them in the Superagent UI.

What's Changed

• Support Agent tags. by @homanp in https://github.com/homanp/superagent/pull/196
• Update OpenAPI spec by @homanp in https://github.com/homanp/superagent/pull/197

Full Changelog: https://github.com/homanp/superagent/compare/v0.0.34...v0.0.35