update README.md

Author: chenjiahan

README.md

@@ -7,6 +7,7 @@ template string optimize loader module for webpack
 
 ## Usage
 
+``` javascript
     module: {
         loaders: [
             {
@@ -15,37 +16,38 @@ template string optimize loader module for webpack
             }
         ]
     }
+``` 
 
 ## Example
 
-    ``` javascript
-    // ES6
-    const template = data => `
-        <!-- section start -->
-        <section>
-            <h3>${data.title}</h3>
-            <div>${data.date}</div>
-            <dl>
-                <dt>Coffee</dt>
-                <dt>Black hot drink</dt>
-                <dt>Milk</dt>
-                <dd>
-                    <ul>
-                        ${data.list.map((item) => `
-                            <li>${item}</li>
-                        `).join('')}
-                    </ul>
-                </dd>
-            </dl>
-        </section>
-        <!-- section end -->
-    `;
-    
-    // ES5
-    function(n,t){"use strict";var e=function(n){return"\n    <!-- section start -->\n    <section>\n        <h3>"+n.title+"</h3>\n        <div>"+n.date+"</div>\n        <dl>\n            <dt>Coffee</dt>\n            <dt>Black hot drink</dt>\n            <dt>Milk</dt>\n            <dd>\n                <ul>\n                    "+n.list.map(function(n){return"\n                        <li>"+n+"</li>\n                    "}).join("")+"\n                </ul>\n            </dd>\n        </dl>\n    </section>\n    <!-- section end -->\n"};
-    
-    // optimized
-    function(t,e){"use strict";var i=function(t){return"<section><h3>"+t.title+"</h3><div>"+t.date+"</div><dl><dt>Coffee</dt><dt>Black hot drink</dt><dt>Milk</dt><dd><ul>"+t.list.map(function(t){return"<li>"+t+"</li>"}).join("")+"</ul></dd></dl></section>"};
-    ``` 
-    
+``` javascript
+// ES6
+const template = data => `
+    <!-- section start -->
+    <section>
+        <h3>${data.title}</h3>
+        <div>${data.date}</div>
+        <dl>
+            <dt>Coffee</dt>
+            <dt>Black hot drink</dt>
+            <dt>Milk</dt>
+            <dd>
+                <ul>
+                    ${data.list.map((item) => `
+                        <li>${item}</li>
+                    `).join('')}
+                </ul>
+            </dd>
+        </dl>
+    </section>
+    <!-- section end -->
+`;
+
+// ES5
+function(n,t){"use strict";var e=function(n){return"\n    <!-- section start -->\n    <section>\n        <h3>"+n.title+"</h3>\n        <div>"+n.date+"</div>\n        <dl>\n            <dt>Coffee</dt>\n            <dt>Black hot drink</dt>\n            <dt>Milk</dt>\n            <dd>\n                <ul>\n                    "+n.list.map(function(n){return"\n                        <li>"+n+"</li>\n                    "}).join("")+"\n                </ul>\n            </dd>\n        </dl>\n    </section>\n    <!-- section end -->\n"};
+
+// optimized
+function(t,e){"use strict";var i=function(t){return"<section><h3>"+t.title+"</h3><div>"+t.date+"</div><dl><dt>Coffee</dt><dt>Black hot drink</dt><dt>Milk</dt><dd><ul>"+t.list.map(function(t){return"<li>"+t+"</li>"}).join("")+"</ul></dd></dl></section>"};
+``` 
+