v0.3.0

What's Changed

• added websocket and publish new_msg by @markmnl in #19
• Fix add-to: drop pid requirement, set add_to_from in a transaction by @markmnl in #20
• Use new_msg channel for push delivery; drop /fmsg/wait by @markmnl in #21
• Add Web Push notifications alongside new_msg delivery by @markmnl in #22
• Change message struct add_to to includ batches by @markmnl in #23
• Replace JWT method with RS256 by @markmnl in #24
• restructure dirs more modern idomatic go by @markmnl in #25

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