Add tasks for all the new languages

Task/Break-OO-privacy/Sidef/break-oo-privacy.sidef

@@ -0,0 +1,15 @@
+class Example {
+    has public = "foo"
+    method init {
+        self{:private} = "secret"
+    }
+}
+
+var obj = Example();
+
+# Access public attributes
+say obj.public;                 #=> "foo"
+say obj{:public};               #=> "foo"
+
+# Access private attributes
+say obj{:private};              #=> "secret"