Add file getStorageEnergy

getStorageEnergy.lua

@@ -0,0 +1,10 @@
+local storageEnergy = left.getStoredEnergy()
+
+local modem = peripheral.find("modem")
+modem.open(1)
+
+modem.transmit(1, 2, {
+    type= "display",
+    text = ("Storage energy : %s"):format(storageEnergy),
+    color = colors.green
+})