Adjust table info generation

Sources/App/Model/GameClass.swift

@@ -1,7 +1,5 @@
 import Foundation
 
-typealias GameId = String
-
 extension GameType {
 
     var gameClass: GameClass {

Sources/App/Model/GameType.swift

@@ -1,5 +1,8 @@
 import Foundation
 
+/// The string id of a game
+typealias GameId = String
+
 enum GameType: String, CaseIterable, Codable {
     
     case rufEichel = "ruf-eichel"
@@ -14,6 +17,10 @@ enum GameType: String, CaseIterable, Codable {
     case soloHerz = "solo-herz"
     case soloSchelln = "solo-schelln"
 
+    init?(id: GameId) {
+        self.init(rawValue: id)
+    }
+
     var isCall: Bool {
         switch self {
         case .rufEichel, .rufBlatt, .rufSchelln: