Windows & MacOS 1.1.0 Release

Prevents Windows users from opening multiple instances of the application.
Adds support for MacOS via notarized dmg.

There may be issues executing the dmg on Intel macs, it was built with M1 and I'm not entirely certain how that will affect machines running Intel processors.

Windows 10 B1 Release

My first desktop product! Merry Christmas to me.

A Windows installer for Shop Databaser.