Initial data commit

Task/Sorting-algorithms-Insertion-sort/Elena/sorting-algorithms-insertion-sort.elena

@@ -0,0 +1,33 @@
+import extensions;
+
+extension op
+{
+    insertionSort()
+        = self.clone().insertionSort(0, self.Length - 1);
+
+    insertionSort(int first, int last)
+    {
+        for(int i := first + 1, i <= last, i += 1)
+        {
+            var entry := self[i];
+            int j := i;
+
+            while (j > first && self[j - 1] > entry)
+            {
+                self[j] := self[j - 1];
+
+                j -= 1
+            };
+
+            self[j] := entry
+        }
+    }
+}
+
+public program()
+{
+    var list := new int[]{3, 9, 4, 6, 8, 1, 7, 2, 5};
+
+    console.printLine("before:", list.asEnumerable());
+    console.printLine("after :", list.insertionSort().asEnumerable());
+}