Update course name

Author: kochaika

course-info.yaml

@@ -1,5 +1,5 @@
 type: marketplace
-title: Full Stack JavaScript for Beginners
+title: Full-Stack JavaScript for Beginners
 language: English
 summary: "<p>Build a real-time chat app for your portfolio while mastering full-stack\
   \ web development! Learn Node.js, Express.js, and React. Hands-on and easy to follow\