Player actions, playable cards

Sources/App/Extensions/Array+Extensions.swift

@@ -8,4 +8,8 @@ extension Array {
         }
         return Array(self[index..<count] + self[0..<index])
     }
+
+    func sorted<T>(by converting: (Element) -> T) -> [Element] where T: Comparable {
+        sorted { converting($0) < converting($1) }
+    }
 }