Contrib/dhkolf/libgtemu/README.md: document the optional ramsize parameter, add an example for starting an emulation from Lua
Contrib/dhkolf/libgtemu/README.md: document the optional ramsize parameter, add an example for starting an emulation from Lua

kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom,kervinck/gigatron-rom