Here are two simple Touch Bar buttons I often use.
1.) The first one creates a new file in the currently open folder in Finder with Visual Studio Code:
2.) The second one will open the currently selected file with Visual Studio Code. Copy & paste the JSON below into the Touch Bar tab in BTT.
You can access them here: https://share.folivora.ai/sharedPreset/cb10daf9-106d-4de5-86e6-16f8e11f9506