Release 0.7.0

What's Changed

• Improve docs.rs by @markgoddard in #70
• CI: Add cargo fmt and clippy to lint job by @markgoddard in #69
• Add parallel-client.py by @markgoddard in #72
• tracing: add more instrumentation, optionally send to jaeger by @markgoddard in #71
• Use zune-inflate library for Zlib compression by @markgoddard in #73
• Share S3 client objects by @markgoddard in #74
• Allow using rayon to execute CPU-bound tasks by @markgoddard in #75
• Add deployment playbook and CI test by @markgoddard in #76
• jaeger deployment by @markgoddard in #77

Full Changelog: 0.6.1...0.7.0