add YouTube Video in readme file

README.md

@@ -4,4 +4,9 @@ Klipper backup script for manual or automated GitHub backups
 This is a backup script to create manual or automated klipper backups in a github repository. You can [see an example](https://github.com/Staubgeborener/3dprint) of what it looks like in the end.
 
 ## RTFM
-I would suggest reading the [wiki](https://github.com/Staubgeborener/klipper-backup/wiki), as this provides detailed step-by-step instructions.
+I would suggest reading the [wiki](https://github.com/Staubgeborener/klipper-backup/wiki), as this provides detailed step-by-step instructions.
+
+## YouTube
+The user [Minimal 3DP](https://github.com/minimal3dp) has created a video about the initial setup and use of klipper-backup and made it available on YouTube. This and the wiki should explain many questions in advance.
+
+[![The Ultimate Guide to Using Klipper Macros to Backup Your Configuration Files](https://img.youtube.com/vi/fR2jIegqv3A/0.jpg)](https://www.youtube.com/watch?v=fR2jIegqv3A "The Ultimate Guide to Using Klipper Macros to Backup Your Configuration Files")