updates

step1-05/demo/src/App.tsx

@@ -1,15 +1,10 @@
 import React from 'react';
-import { TodoFooter } from './components/TodoFooter';
-import { TodoHeader } from './components/TodoHeader';
-import { TodoList } from './components/TodoList';
 
 export class TodoApp extends React.Component<any, any> {
   render() {
     return (
       <div>
-        <TodoHeader />
-        <TodoList />
-        <TodoFooter />
+        <p>Hello World</p>
       </div>
     );
   }

step1-05/demo/src/components/TodoFooter.tsx

@@ -1,9 +0,0 @@
-import React from 'react';
-
-export const TodoFooter = (props: any) => {
-  return (
-    <footer>
-      <div>Footer</div>
-    </footer>
-  );
-};

step1-05/demo/src/components/TodoHeader.tsx

@@ -1,11 +0,0 @@
-import React from 'react';
-
-export class TodoHeader extends React.Component<any, any> {
-  render() {
-    return (
-      <header>
-        <div>Header</div>
-      </header>
-    );
-  }
-}

step1-05/demo/src/components/TodoList.tsx

@@ -1,11 +0,0 @@
-import React from 'react';
-
-export class TodoList extends React.Component<any, any> {
-  render() {
-    return (
-      <div>
-        <span>List</span>
-      </div>
-    );
-  }
-}

step1-05/demo/src/components/TodoListItem.tsx

@@ -1,7 +0,0 @@
-import React from 'react';
-
-export class TodoListItem extends React.Component<any, any> {
-  render() {
-    return <div />;
-  }
-}