vizz v0.5.0

macOS app bundle with Syphon embedded. Signed with a Developer ID and notarized by Apple, so it opens with a normal double-click — checked in CI with spctl and stapler validate before publishing. Appears in Resolume/VDMX as Syphon source 'vizz'; OSC control on udp/7000.

What's Changed

• Say whether a release is actually signed by @legofsalmon in #13
• Rework the control panel around what you actually look at by @legofsalmon in #14

Full Changelog: v0.4.0...v0.5.0