v0.3.0 Release With HTTP Daemon

What's Changed

• Sync events interface by @rvagg in #25
• feat: export the eventrecorder structs by @jcace in #45
• Do not write CAR file when no candidates are found by @masih in #48
• Implement fetch from explicit provider by @masih in #51
• feat(events): consolidate to events pkg, remove unnecessary code by @rvagg in #41
• feat: reduce concurrency for SPs who drop out early from retrieval process (dupe of #46) by @rvagg in #53
• feat: require LinkSystem argument for each retrieval by @rvagg in #54
• Add daemon command by @kylehuntsman in #52
• fix: header name, and expand on TODO note by @rvagg in #61
• Move torward protocol independent retrieval by @hannahhoward in #58
• Treat query response errors as query failures by @hannahhoward in #63
• Add version to release build by @kylehuntsman in #66

New Contributors

• @jcace made their first contribution in #45
• @masih made their first contribution in #48

Full Changelog: v0.2.0...v0.3.0