0.7.0 - async write, room policies

• breaking change: download requires async writer (tokio::io::BufWriter) instead of sync version
• new endpoints: room policies
• dependency updates (pinned reqwest to 0.11.27 - no update of reqwest_middleware yet)

What's Changed

• feature/room policies by @semtisem in #15
• features/0.7.0 by @unbekanntes-pferd in #16

New Contributors

• @semtisem made their first contribution in #15

Full Changelog: v0.6.1...v0.7.0