Initial data commit

Task/Sorting-algorithms-Gnome-sort/Wren/sorting-algorithms-gnome-sort.wren

@@ -0,0 +1,33 @@
+var gnomeSort = Fn.new { |a, asc|
+    var size = a.count
+    var i = 1
+    var j = 2
+    while (i < size) {
+        if ((asc && a[i-1] <= a[i]) || (!asc && a[i-1] >= a[i])) {
+            i = j
+            j = j + 1
+        } else {
+            var t = a[i-1]
+            a[i-1] = a[i]
+            a[i] = t
+            i = i - 1
+            if (i == 0) {
+                i = j
+                j = j + 1
+            }
+        }
+    }
+}
+
+var as = [ [4, 65, 2, -31, 0, 99, 2, 83, 782, 1], [7, 5, 2, 6, 1, 4, 2, 6, 3] ]
+
+for (asc in [true, false]) {
+    System.print("Sorting in %(asc ? "ascending" : "descending") order:\n")
+    for (a in as) {
+        var b = (asc) ? a : a.toList
+        System.print("Before: %(b)")
+        gnomeSort.call(b, asc)
+        System.print("After : %(b)")
+        System.print()
+    }
+}