v0.5.0: "I promise I'll use semversioning more often"

This is the first release after the crate reorg, which. For now on, the GitHub releases will reflect florestad, and every subcrate has its version.

What's Changed

• Break this project into a workspace by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/58
• Create LICENSE by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/60
• Use env var to pass xpubs by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/61
• Parallel sync 1/n: Refactor: Move stateless code to a new module by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/62
• Rate limit peers by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/66
• Parallel sync 2/n: Partial chainstate by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/63
• Readme.md typo by @bitkarrot in https://github.com/Davidson-Souza/Floresta/pull/68
• Send addresses by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/67
• Improve assumeutreexo by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/70
• Improve support to wasm by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/71
• Feature/refactor manifests by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/72
• Fix: return leaf_hashes by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/73
• Docs improvements by @Davidson-Souza in https://github.com/Davidson-Souza/Floresta/pull/74

Full Changelog: Davidson-Souza/Floresta@v0.4.0...v0.5.0