Add some miis from My Pokemon Ranch.

[wertercatt]

Recently, a program to decompress the .ASH files used by My Pokemon Ranch was developed. This PR is a result of that work by NWPlayer123.

This adds five Miis extracted from My Pokemon Ranch, specifically the Japanese Platinum Update. I haven't checked the other versions of the game yet to see if there are differences in the Mii data.

I don't know how to convert RSD files to MIIGX files, so this adds the extracted RSDs only. The Mii folders are named as they are in English, but the filenames are original. trainer_f and trainer_m are assumed to represent the male and female player characters in Pokemon Diamond, Pearl, and Platinum so they've been named Dawn and Lucas respectively.

This isn't all of the Miis, as the RSDs for the Club Look-See members haven't been uncovered in the data yet. I'll contribute those RSDs if I find them.