refactor: folder structure & filename

lib/core/devEntry.js

@@ -0,0 +1,29 @@
+import React from 'react';
+import {render} from 'react-dom';
+import {BrowserRouter, Route, Switch, Link} from 'react-router-dom';
+import blogDatas from '@generated/blogDatas';
+import BlogPost from './blogPost';
+
+class App extends React.Component {
+  render() {
+    return (
+      <BrowserRouter>
+        <div>
+          <Switch>
+            {blogDatas.map(({path}) => (
+              <Route key={path} exact path={path} component={BlogPost} />
+            ))}
+          </Switch>
+          <div>
+            {blogDatas.map(({path}) => (
+              <div key={path}>
+                <Link to={path}>{path}</Link>
+              </div>
+            ))}
+          </div>
+        </div>
+      </BrowserRouter>
+    );
+  }
+}
+render(<App />, document.getElementById('app'));