fix some file extensions

Task/Arrays/KonsolScript/arrays.konsol

@@ -0,0 +1,11 @@
+//creates an array of length 3
+Array:New array[3]:Number;
+
+function main() {
+  Var:Number length;
+  Array:GetLength(array, length)  //retrieve length of array
+  Konsol:Log(length)
+
+  array[0] = 5;                   //assign value
+  Konsol:Log(array[0])            //retrieve value and display
+}