Trouble with syncing Obsidian to github!

Things I have tried

What I’m trying to do

So I have been trying to sync my obsidian notes to github and back my notes up but Im having trouble. Here is the tutorial that I followed and I had no trouble until making your vault a repository section and it all went downhill from there. Sombody please help.
Heres how it looks like when I’m done with it.


Also when I try to enable the Obsidian Git plugin and select commit and push all changes a cannot run git command comes up. Please Help!!!

this is how my github desktop looks like after everything is done!