LOGO IMAGE
Place your dashboard logo in this folder as:
  logo.png

Dashboard path:
  /lumiere/dashboard/assets/logo.png

To use a different filename/path, edit dashboard/index.php and change:
  src="assets/logo.png"

Recommended logo: square PNG or WebP, transparent background, at least 160x160 px.
The dashboard displays it at 42x42 px (38x38 px on small phones).
