resource: value: dimensions: landscape: Set default margins
resource: value: dimensions: landscape: Set default margins

Contents look too 'stretched' in landscape view.
Increase horizontal margin for better proportions.

Signed-off-by: Sanjeev Premi <e2c59cdd009c02452534cc3986d2bb876e0e4eac@ymail.com>

spremi/nayati,spremi/nayati