added energyStorage perf

src/kernel/peripherals/EnergyStorage.hx

@@ -0,0 +1,25 @@
+package kernel.peripherals;
+
+class EnergyStorage implements IPeripheral{
+    public static inline final TYPE_NAME:String = "energyCell";
+
+    private final addr:String;
+    private final native: cc.periphs.EnergyStorage;
+
+    public function new(addr: String) {
+        this.addr = addr;    
+        this.native = cc.Peripheral.wrap(addr);
+    }
+
+    public function getEnergy(): Int {
+        return this.native.getEnergy();
+    }
+
+    public function getEnergyCapacity(): Int {
+        return this.native.getEnergyCapacity();
+    }
+
+	public function getAddr():String {
+		return this.addr;
+	}
+}

src/kernel/peripherals/Peripherals.hx

@@ -1,6 +1,5 @@
 package kernel.peripherals;
 
-import haxe.ds.ReadOnlyArray;
 import kernel.peripherals.Modem;
 import kernel.peripherals.Screen;