Release v0.4.0

What's Changed

• Add livestream notifications by @AHGIJMKLKKZNPJKQR in #25
• Fix viewer_disconnected message type by @AHGIJMKLKKZNPJKQR in #26
• Remove metrics by @roznawsk in #27
• Add TrackData notification by @AHGIJMKLKKZNPJKQR in #28
• Add protobufs for agent socket by @AHGIJMKLKKZNPJKQR in #29
• Remove room_id by @AHGIJMKLKKZNPJKQR in #30
• Update protos names by @AHGIJMKLKKZNPJKQR in #31
• Remove redundant file by @AHGIJMKLKKZNPJKQR in #32
• Add peer type by @roznawsk in #33
• Add peer type to peer metadata by @roznawsk in #34
• Add interruption events by @AHGIJMKLKKZNPJKQR in #35
• Update PR template to include doc updates by @PiotrWodecki in #37
• Remove stream notifications and add streamer notifications by @Karolk99 in #36
• Release 0.4.0 by @AHGIJMKLKKZNPJKQR in #38

New Contributors

• @PiotrWodecki made their first contribution in #37

Full Changelog: 0.3.0...v0.4.0