Add tasks for all the new languages

Task/Order-disjoint-list-items/Sidef/order-disjoint-list-items.sidef

@@ -0,0 +1,18 @@
+func dsort(m, n) {
+    var h = Hash()
+    n.each {|item| h{item} := 0 ++ }
+    m.map  {|item| h{item} := 0 -- > 0 ? n.shift : item}
+}
+
+<<'EOT'.lines.each { |line|
+        the cat sat on the mat  | mat cat
+        the cat sat on the mat  | cat mat
+        A B C A B C A B C       | C A C A
+        A B C A B D A B E       | E A D A
+        A B                     | B
+        A B                     | B A
+        A B B A                 | B A
+EOT
+        var (a, b) = line.split('|').map{.words}...
+        say "#{a.to_s} | #{b.to_s} -> #{dsort(a.clone, b.clone).to_s}"
+}