website: add version display.

Author: jaywcjlove

website/App.css

@@ -15,6 +15,17 @@ body {
   text-align: center;
 }
 
+.App-title sup {
+  font-size: 12px;
+  font-weight: 400;
+  position: absolute;
+  color: #ababab;
+  background-color: #e6e6e6;
+  padding: 0 3px;
+  border-radius: 3px;
+  margin-left: 5px;
+}
+
 .App-editor {
   height: 260px;
   overflow: auto;

website/App.tsx

@@ -22,16 +22,21 @@ const App: React.FC = () => {
         });
     }
   }, [language]);
+  // @ts-ignore
+  const version = VERSION;
   return (
     <div className="App">
       <GitHubCorners fixed href="https://github.com/uiwjs/react-textarea-code-editor" />
-      <h1 className="App-title">React Textarea Code Editor</h1>
+      <h1 className="App-title">
+        React Textarea Code Editor
+        <sup>{version}</sup>
+      </h1>
       <div className="App-editor">
         <TextareaCodeEditor
           autoFocus
           value={value}
           language={language}
-          style={{ backgroundColor: '#fafafa', outline: 0, fontSize: 14 }}
+          style={{ backgroundColor: '#f5f5f5', outline: 0, fontSize: 14 }}
           onChange={(evn) => setValue(evn.target.value)}
         />
       </div>