Add Shadowrun Returns

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add Ghost Master

Signed-off-by: Christopher Larson <kergoth@gmail.com>
Add The Ur-Quan Masters

Signed-off-by: Christopher Larson <kergoth@gmail.com>
find-docs-files: ignore a few more things

Signed-off-by: Christopher Larson <kergoth@gmail.com>