Initial data commit

Task/JSON/Objective-C/json.m

@@ -0,0 +1,14 @@
+NSString *jsonString = @"{ \"foo\": 1, \"bar\": [10, \"apples\"] }";
+id obj = [NSJSONSerialization
+    JSONObjectWithData: [jsonString dataUsingEncoding: NSUTF8StringEncoding]
+               options: 0
+                 error: NULL];
+NSLog(@"%@", obj);
+
+NSDictionary *dict = @{ @"blue": @[@1, @2], @"ocean": @"water"};
+NSData *jsonData = [NSJSONSerialization dataWithJSONObject: dict
+                                                   options: 0
+                                                     error: NULL];
+NSString *jsonString2 = [[NSString alloc] initWithData: jsonData
+                                              encoding: NSUTF8StringEncoding];
+NSLog(@"%@", jsonString2);