SDL 1.2 for ProlinOS/PAX

Ready to use release with library and headers, so there's no need to recompile the library for building in other ports

See README.md for more details

python3 <prolin-xcb-client/client.py> <tty> push libSDL-1.2.so.0.11.5 /data/app/MAINAPP/lib/libSDL-1.2.so.0