Add Javascript Video Playlist - Khmer/Cambodia Update - > courses/free-courses-km.md (#9677)

* Update free-courses-km.md

Add Javascript youtube playlist

* Update free-courses-km.md

Change Space Fixed Action Error

courses/free-courses-km.md

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 ### JavaScript
 
 * [មេរៀន JavaScript Speak khmer](https://youtube.com/playlist?list=PLWrsrLN26mWZiRcn4O-cphCw-AyoWumhq) - រៀនIT
+* [អនុវត្ត​កូដ Javascript](https://youtube.com/playlist?list=PLuEdNLfGOtnVmKfCI1gC6xHqJ_T9F85DW&si=cbbCi2zp_GoLcneK) - Khode Academy
+* [Javascript - បង្កើត​អន្តរកម្ម​គេហទំព័រ](https://youtube.com/playlist?list=PLuEdNLfGOtnUoeb8D2itGMIZayTi9ViOv&si=wxALcNb-i_4189KK) - Khode Academy
+* [ES6 - ជំនាន់​ថ្មី​របស់ Javascript](https://youtube.com/playlist?list=PLuEdNLfGOtnVOKm51qK8Gmx0tT-KbJoNd&si=-QXNo_NVAykbjPIt) - Khode Academy
 
 
 ### Web Development
 
 * [👨‍💻👨‍💻 Coding](https://youtube.com/playlist?list=PLxchvQVIj9rb8O10g494z9EQ0HZO-aU_6) - Sambat Lim
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