Add content for setTimeout (#1860)

* Update 105-set-timeout.md

* Update content/roadmaps/107-nodejs/content/104-nodejs-async-programming/105-set-timeout.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/107-nodejs/content/104-nodejs-async-programming/105-set-timeout.md

@@ -1 +1,9 @@
-# Set timeout
+# setTimeout
+
+The setTimeout runs a function after the specified period expires. Times are declared in milliseconds.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme='yellow' href='https://developer.mozilla.org/en-US/docs/Web/API/setTimeout'>JavaScript MDN Docs</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://www.w3schools.com/jsref/met_win_settimeout.asp'>W3Schools – JavaScript - setTimeOut</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=kOcFZV3c75I'>setInterval and setTimeout: timing events</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=z9lJb4D3nJY'>setTimeout EXPLAINED in 5 minutes!</BadgeLink>