Documentation: Add static CSS file to fix tables

Add a static CSS file to remove annoying scrollbars on rst code tables.

Change-Id: I436b36fb7ee9856c7d6ad8534cd0610b7f071b17
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/26263
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
2 files changed