Added a link to video in README.md (#1)

MaryLynJuana · tshemsedinov · commit 5ba5cc559be1 · 2019-01-22T20:45:59.000+02:00
diff --git a/README.md b/README.md
@@ -1 +1,2 @@
 # Timers: setImmediate, setTimeout, setInterval, nextTick
+[![Таймеры, таймауты, EventEmitter](https://img.youtube.com/vi/LK2jveAnRNg/0.jpg)](https://www.youtube.com/watch?v=LK2jveAnRNg)

Original file line number	Diff line number	Diff line change
`@@ -1 +1,2 @@`
`1`	`1`	`# Timers: setImmediate, setTimeout, setInterval, nextTick`
	`2`	`+[![Таймеры, таймауты, EventEmitter](https://img.youtube.com/vi/LK2jveAnRNg/0.jpg)](https://www.youtube.com/watch?v=LK2jveAnRNg)`