On the left-most panel in your VS Code you have an array of icons.

Hit the Extensions icon and search up "GitLens - Git supercharged" by GitKraken - install it in your VS Code environment and watch the introduction video [3:49]:

NOTE: If you are in a GitHub CodeSpace - you may have to reload it after installing the plugin.

On the left-most panel in your VS Code you have an array of icons.
Hit the Extensions icon and search up "GitLens - Git supercharged" by GitKraken - install it in your VS Code environment and watch the introduction video [3:49]:
NOTE: If you are in a GitHub CodeSpace - you may have to reload it after installing the plugin.
./merge-lab/poem.txtfile - you created earlier - in the editor.git cocommand - you created as an alias earlier - to see through the four different branches: