added remove and copy button

index.html

@@ -135,7 +135,7 @@
                 });
         }
 
-        async function addCar() {
+        async function addCar(preselectedCar = null, preselectedSkin = null) {
             const wrapper = document.createElement("div");
             wrapper.style.marginTop = "12px";
             wrapper.className = "car-block";
@@ -147,6 +147,18 @@
             skinSelect.className = "skin-select";
             skinSelect.style.marginLeft = "10px";
 
+            const delBtn = document.createElement("button");
+            delBtn.textContent = "Remove";
+            delBtn.style.marginLeft = "10px";
+            delBtn.onclick = () => wrapper.remove();
+
+            const copyBtn = document.createElement("button");
+            copyBtn.textContent = "Copy";
+            copyBtn.style.marginLeft = "10px";
+            copyBtn.onclick = () => {
+                addCar(carSelect.value, skinSelect.value);
+            };
+
             const img = document.createElement("img");
             img.className = "skin-preview";
             img.style.display = "block";
@@ -155,6 +167,8 @@
 
             wrapper.appendChild(carSelect);
             wrapper.appendChild(skinSelect);
+            wrapper.appendChild(copyBtn);
+            wrapper.appendChild(delBtn);
             wrapper.appendChild(img);
             carList.appendChild(wrapper);
 
@@ -215,8 +229,18 @@
                 }
             });
 
-            // immediately load skins for first car
-            loadSkins(cars[0].name);
+            if (preselectedCar) {
+                carSelect.value = preselectedCar;
+                loadSkins(preselectedCar);
+                if (preselectedSkin) {
+                    skinSelect.value = preselectedSkin;
+                    const car = cars.find(c => c.name === preselectedCar);
+                    const cfg = car.skins.find(x => x.name === preselectedSkin);
+                    updateImage(cfg ? cfg.image : "");
+                }
+            } else {
+                loadSkins(cars[0].name);
+            }
         }
 
         addCarBtn.addEventListener("click", addCar);