add Bootstrap

src/Potter/Bootstrap.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter;
+
+use \Potter\Response\Text,
+    \Psr\Http\Message\{ResponseInterface, ServerRequestInterface};
+
+final class Bootstrap extends Controller
+{
+    static private function getBootstrapScript(ServerRequestInterface $request): ResponseInterface 
+    {
+        return new Text(
+            text: file_get_contents(getcwd() . '/vendor/twbs/bootstrap/dist/jss/bootstrap.js'),
+            headers: ['Content-Type' => ['application/javascript; charset=utf-8']]);
+    }
+    
+    static private function getBootstrapStyle(ServerRequestInterface $request): ResponseInterface 
+    {
+        return new Text(
+            text: file_get_contents(getcwd() . '/vendor/twbs/bootstrap/dist/jss/bootstrap.js'),
+            headers: ['Content-Type' => ['text/css; charset=utf-8']]);
+    }
+    
+    static private function mapRoutes(Container $container, \Potter\Router\Router $router): void
+    {
+        $router->map('GET', '/bootstrap.js', [self::class, 'getBootstrapScript']);
+        $router->map('GET', '/bootstrap.css', [self::class, 'getBootstrapStyle']);
+    }
+}