To edit the workspace files you can trigger the following awesome editors based on file extensions.

• Markdown editor. File extension: .md, .txt
• Visual HTML editor (Codepen like). File extension: .html
• Code editor (Visual Studio Code like). File extension: .py, .cpp, .java, .sh, .php, .js ,.txt, .html, etc.

See Languages List

Based on your File extension type the appropriate language and editor will be automatically triggered when you click on the file.