v0.11.0 - public transfers, simple client

• full implementation of public transfers
  • public upload (to file request)
  • public download (from share)
• simple client creation (provide access token)
• update all responses and requests to be cloneable

What's Changed

• feature/public upload by @unbekanntes-pferd in #26
• feat(auth): simple access token client by @unbekanntes-pferd in #27

Full Changelog: v0.10.2...v0.11.0