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

MaryLynJuana · tshemsedinov · commit 729fa260182e · 2019-01-22T20:30:21.000+02:00
diff --git a/README.md b/README.md
@@ -1,2 +1,4 @@
 # Set
 Set is a Collection of Distinct Values or Objects
+
+[![&#1050;&#1086;&#1083;&#1083;&#1077;&#1082;&#1094;&#1080;&#1080;, &#1084;&#1085;&#1086;&#1078;&#1077;&#1089;&#1090;&#1074;&#1072;, &#1093;&#1077;&#1096;&#1090;&#1072;&#1073;&#1083;&#1080;&#1094;&#1099;](https://img.youtube.com/vi/hN0wsq5LNOc/0.jpg)](https://www.youtube.com/watch?v=hN0wsq5LNOc)

-Original file line number
+Diff line change
 # Set
 Set is a Collection of Distinct Values or Objects
++
 +[![Коллекции, множества, хештаблицы](https://img.youtube.com/vi/hN0wsq5LNOc/0.jpg)](https://www.youtube.com/watch?v=hN0wsq5LNOc)