Fetch API の記述を拡充

Author: chelproc

docs/3-web-servers/06-fetch-api/_samples/browser-module/.gitignore

@@ -0,0 +1 @@
+/node_modules

docs/3-web-servers/06-fetch-api/_samples/browser-module/main.mjs

@@ -1,6 +1,5 @@
 import express from "express";
-const app = express();
 
+const app = express();
 app.use(express.static("./public"));
-
-app.listen(3000);
+app.listen(3000);