Add tasks for all the new languages

Task/Sorting-algorithms-Comb-sort/Swift/sorting-algorithms-comb-sort.swift

@@ -0,0 +1,23 @@
+func combSort(inout list:[Int]) {
+    var swapped = true
+    var gap = list.count
+
+    while gap > 1 || swapped {
+        gap = gap * 10 / 13
+
+        if gap == 9 || gap == 10 {
+            gap = 11
+        } else if gap < 1 {
+            gap = 1
+        }
+
+        swapped = false
+
+        for var i = 0, j = gap; j < list.count; i++, j++ {
+            if list[i] > list[j] {
+                (list[i], list[j]) = (list[j], list[i])
+                swapped = true
+            }
+        }
+    }
+}