add digest, http_test

http_test/ss.dart

@@ -0,0 +1,13 @@
+import 'package:http/http.dart' as http;
+
+main() async {
+  var url = 'https://hatter.ink/ip/ip.jsonp';
+  var response = await http.post(url, body: {
+    'name': 'doodle',
+    'color': 'blue'
+    });
+  print('Response status: ${response.statusCode}');
+  print('Response body: ${response.body}');
+
+  print(await http.read('https://hatter.ink/ip/ip.jsonp'));
+}