🚀 Multi-tab file editor

[vshymanskyy]

• [ ] Allow opening multiple files
• [ ] Highlight open files in File Manager
• [ ] Reuse File Manager: Switch between file editors using by selecting files
• [ ] Indicate unsaved files inf File Manager
• [ ] If an open file is deleted, the editor should switch to any open file
• [ ] Saving should be disabled for readonly and virtual files
• [ ] Bonus: do not reload main file (any files) from device if it has unsaved changes

[roseyangina]

Hello, I can see the file manager implemented in app.js. So then would app.js and app.css be the relevant files to make changes to here?