Add AppStorage for beta features toggle

Author: jurre111

lara/views/ContentView.swift

@@ -14,6 +14,7 @@ struct ContentView: View {
     @State private var pid: pid_t = getpid()
     @State private var hasoffsets = haskernproc()
     @State private var showsettings = false
+    @AppStorage("betafeatures") private var betafeatures: Bool = false
 
     var body: some View {
         NavigationStack {