tibia_mc_patcher: Add reverse-engineered information

All information has been gathered while reverse engineering Tibia client
on GDB.

Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
tibia_mc_patcher: Add tibia_mc_patch_do_apply()

This function patches Tibia client with NOP's at a certain virtual address
memory (see TIBIA_X_PATCH_AREA_VMA) so that multiple clients will be
possible.

Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>
Add .gitignore file.

Signed-off-by: Paulo Alcantara <pcacjr@zytor.com>