Add tasks for all the new languages

Task/JSON/Apex/json.apex

@@ -0,0 +1,14 @@
+class TestClass{
+    String foo {get;set;}
+    Integer bar {get;set;}
+}
+
+TestClass testObj = new TestClass();
+testObj.foo = 'ABC';
+testObj.bar = 123;
+
+String serializedString = JSON.serialize(testObj);
+TestClass deserializedObject = (TestClass)JSON.deserialize(serializedString, TestClass.class);
+
+//"testObj.foo == deserializedObject.foo" is true
+//"testObj.bar == deserializedObject.bar" is true