[✅ASSIGNED] Move Styling outside JS Code

[app-generator]

STATUS: ASSIGNED to @umarali

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Context

In order to respect the SPECS and make the builder decoupled from the UI that it manages, the codebase needs the following enhancements:

• remove hardcoded style
• Isolate the CSS in style.css

If the builder needs to load and apply rules during runtime, this needs to be done from external (small) CSS files with suggestive names:

• preview.css
• whatever.css

Having this separation, we can easily apply the required changes when the builder is used in other kits.

TY!