add win/draw menu , and add english

www/js/EndGameFrontEnd.js

@@ -0,0 +1,25 @@
+let Text_endgame = document.getElementById("whoWon")
+let endgame_menu_button = document.getElementById("EndGameMenuButton")
+let current_endgame_result_key = "endgame.whiteWon"
+
+function change_winner(who){
+    current_endgame_result_key = who ? "endgame.whiteWon" : "endgame.blackWon"
+    Text_endgame.innerText = get_app_translation(current_endgame_result_key)
+}
+
+function Draw(){
+    current_endgame_result_key = "endgame.draw"
+    Text_endgame.innerText = get_app_translation(current_endgame_result_key)
+}
+
+function refresh_endgame_scene_translations(){
+    Text_endgame.innerText = get_app_translation(current_endgame_result_key)
+}
+
+function on_endgame_menu_button_press(){
+    load_menu_scene()
+}
+
+endgame_menu_button.addEventListener("click", () => {
+    on_endgame_menu_button_press()
+})