add player roles

Java-Knight/src/main/java/org/project/constants/gameConstant/PlayerRoles.java

@@ -0,0 +1,7 @@
+package org.project.constants.gameConstant;
+
+public enum PlayerRoles {
+    KNIGHT,
+    WIZARD,
+    ASSASSIN
+}

Java-Knight/src/main/java/org/project/constants/gameConstant/PlayerRolesExt.java

@@ -0,0 +1,26 @@
+package org.project.constants.gameConstant;
+
+import org.project.entity.players.Assassin;
+import org.project.entity.players.Knight;
+import org.project.entity.players.Player;
+import org.project.entity.players.Wizard;
+
+public final class PlayerRolesExt {
+    private PlayerRolesExt() {}
+
+    public static Player CreatePlayer(PlayerRoles role, String name, int level) {
+        return switch (role) {
+            case KNIGHT -> new Knight(name, level);
+            case ASSASSIN -> new Assassin(name, level);
+            case WIZARD -> new Wizard(name, level);
+        };
+    }
+
+    public static Player CreatePlayer(PlayerRoles role, String name) {
+        return switch (role) {
+            case KNIGHT -> new Knight(name);
+            case ASSASSIN -> new Assassin(name);
+            case WIZARD -> new Wizard(name);
+        };
+    }
+}