Fix code-style in example

Author: wooorm

readme.md

@@ -17,15 +17,12 @@ npm install hastscript
 var h = require('hastscript');
 
 var tree = h('.foo#some-id', [
-    h('span', 'some text'),
-    h('input', {
-        'type': 'text',
-        'value': 'foo'
-    }),
-    h('a.alpha', {
-        'class': 'bravo charlie',
-        'download': 'download'
-    }, ['delta', 'echo'])
+  h('span', 'some text'),
+  h('input', {type: 'text', value: 'foo'}),
+  h('a.alpha', {
+    class: 'bravo charlie',
+    download: 'download'
+  }, ['delta', 'echo'])
 ]);
 ```