work and created develop branch

Example Code/Card/index.tsx

@@ -0,0 +1,23 @@
+import React from "react";
+import "./index.css";
+class Card extends React.Component {
+
+constructor( props ) {
+    super(props)
+    this.state = { show : true };
+}
+
+render() {
+        return (
+            <div className="card" >
+                <span
+                    className="close" onClick={this.props.dataclick}
+                    datatitle={this.props.title}>&times;</span>
+                <h3>{this.props.title}</h3>
+                <p>{this.props.content}</p>
+            </div>
+        );
+    }
+
+}
+export default Card;