[Task]: Playground - code

[norberttech]

What needs to be done?

Currently playground code lives in browser text area only.
When it needs to be executed, wasm_controller web/landing/assets/controllers/wasm_controller.js takes the code and evaluate it as a string.

What I would like to change is that code before execution/formatting is actually saved in /workspace/code.php and wasm to execute code from that file only.

This should significantly simplify:

• uploading code snippets to R2
• code formatting
• viewing/editing other files in workspace