Add drawer for interactive roadmap

content/roadmaps/100-frontend/content/100-internet/102-browsers-and-how-they-work.md

@@ -1 +1,2 @@
-internet:browsers-and-how-they-work
+## Browsers
+Browsers let you open stuff and see stuff in the browser.

content/roadmaps/100-frontend/content/100-internet/readme.md

@@ -1 +1,6 @@
-internet
+# Internet
+
+Since the explosive growth of web-based applications, every developer could stand to benefit from understanding how the Internet works. In this article, accompanied with an introductory series of short videos about the Internet from code.org, you will learn the basics of the Internet and how it works. After going through this article, you will be able to answer the below questions:
+
+- [Browsers](/frontend/internet:how-does-the-internet-work)
+- [DNS and how it Works?](/frontend/internet:how-does-the-internet-work)