0.3.12

feat: override the app version #36

• Adds an appVersion option to InitOptions to override the app version read from the bundle. Empty or blank values are ignored and the bundle version is used.
• The existing Objective-C initializer initWithHost:flushInterval:trackingMode: is still available.

Aptabase.shared.initialize(appKey: "", with: InitOptions(appVersion: "2.0.0-beta3"))