Add tasks for all the new languages

Task/Compound-data-type/Swift/compound-data-type.swift

@@ -0,0 +1,19 @@
+// Structure
+struct Point {
+    var x:Int
+    var y:Int
+}
+
+// Tuple
+typealias PointTuple = (Int, Int)
+
+// Class
+class PointClass {
+    var x:Int!
+    var y:Int!
+
+    init(x:Int, y:Int) {
+        self.x = x
+        self.y = y
+    }
+}