add instructions to README for using text files with vscode-playground#366

Merged

alcarney merged 1 commit intoopenlawlibrary:mainfrom RossBencina:vscode-playground-readme-set-plaintext

Sep 26, 2023

+17

Commits on Sep 25, 2023

docs: instructions for using plain text files with vscode-playground
RossBencina
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