add main menu

www/js/ClockFrontEnd.js

@@ -6,6 +6,7 @@ let black_move_left = document.getElementById("MoveLeftBlack")
 let white_move_left = document.getElementById("MoveLeftWhite")
 let BlockType = document.getElementById("BlockType")
 let BlockTime = document.getElementById("BlockTime")
+let start_clock_button = document.getElementById("StartClockButton")
 let trais = true
 
 
@@ -55,10 +56,22 @@ function change_time_white(Time){
 function change_time_black(Time){
     black_time.innerText = msToMinSec(Time)
 }
+
+function show_start_clock_button(){
+    start_clock_button.classList.remove("is-hidden")
+}
+
+function hide_start_clock_button(){
+    start_clock_button.classList.add("is-hidden")
+}
+
+start_clock_button.addEventListener("click", () => {
+    on_start_clock_button_press()
+});
+
 white.addEventListener("pointerdown", () => {
     if (!trais) white.classList.add("click");
-    if (!has_start) start()
-    else white_touch()
+    white_touch()
 });
 white.addEventListener("pointerup", () => {
     white.classList.remove("click");