Added settings view for first opening

DHBW-Service/Views/ContentView.swift

@@ -26,11 +26,7 @@ struct ContentView: View {
                         .tag(0)
                 }
             } else {
-                Button(action: {
-                    self.settings.isFirstOpening = !self.settings.isFirstOpening
-                }){
-                    Text("First opening toggle")
-                }
+                FirstOpeningSettings()
             }
         }
     }

DHBW-Service/Views/Other/FirstOpeningSettings.swift

@@ -0,0 +1,26 @@
+//
+//  FirstOpeningSettings.swift
+//  DHBW-Service
+//
+//  Created by Patrick Müller on 21.12.20.
+//
+
+import SwiftUI
+
+struct FirstOpeningSettings: View {
+    @EnvironmentObject var settings: LocalSettings
+    
+    var body: some View {
+        Button(action: {
+            self.settings.isFirstOpening = !self.settings.isFirstOpening
+        }){
+            Text("First opening toggle")
+        }
+    }
+}
+
+struct FirstOpeningSettings_Previews: PreviewProvider {
+    static var previews: some View {
+        FirstOpeningSettings()
+    }
+}