Updated the start/stop server icons; added routes to handle server stop/start

src/routes.php

@@ -67,3 +67,33 @@ $app->post('/create', function (Request $request, Response $response, $args) {
     ->withHeader('Location', '/')
     ->withStatus(302);
 });
+
+// server start route
+$app->get('/server/{serverName}/start', function (Request $request, Response $response, $args) {
+  $config = $this->get('config');
+  $serverDir = join('/', array($config->get('server_directory'), $args['serverName']));
+
+  // create server object and start it
+  $server = new Server($serverDir);
+  $server->start();
+
+  // redirect the user back to the home page
+  return $response
+    ->withHeader('Location', '/')
+    ->withStatus(302);
+})->setName('start');
+
+// server stop route
+$app->get('/server/{serverName}/stop', function (Request $request, Response $response, $args) {
+  $config = $this->get('config');
+  $serverDir = join('/', array($config->get('server_directory'), $args['serverName']));
+
+  // create server object and start it
+  $server = new Server($serverDir);
+  $server->stop();
+
+  // redirect the user back to the home page
+  return $response
+    ->withHeader('Location', '/')
+    ->withStatus(302);
+})->setName('stop');