v0.300.0-alpha.1 (Holochain v0.3.0-beta-dev.48)

What's Changed

• Bump to holochain 0.3.0 beta dev.48 by @matthme in #69
• add app version to DistributionInfo by @matthme in #70
• Add install/update button by @mrruby in #71
• Appstore tools updates by @matthme in #72
• Install bytes by @mrruby in #73
• Feat/fetch bytes by @matthme in #74
• Install versions by @mrruby in #75
• Add InstallAppFromHashes modal and update installation logic by @mrruby in #76

Full Changelog: v0.300.0-alpha.0...v0.300.0-alpha.1