package/supertux: new package

Checked that libphysfs.so.1 is used by supertux2 binary.
$ LD_TRACE_LOADED_OBJECTS=1 /usr/bin/supertux2
	...
	libphysfs.so.1 => /usr/lib64/libphysfs.so.1

Signed-off-by: Romain Naour <romain.naour@gmail.com>
[Thomas:
 - slightly tweak Config.in comment
 - use SPDX license codes]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
5 files changed