Add README to tester
Add README to tester

Moesugi/MFG,b-wind/MyFleetGirls,ttdoda/MyFleetGirls,ttdoda/MyFleetGirls,kxbmap/MyFleetGirls,nekoworkshop/MyFleetGirls,nekoworkshop/MyFleetGirls,Moesugi/MFG,ponkotuy/MyFleetGirls,nekoworkshop/MyFleetGirls,b-wind/MyFleetGirls,nekoworkshop/MyFleetGirls,ponkotuy/MyFleetGirls,kxbmap/MyFleetGirls,ponkotuy/MyFleetGirls,b-wind/MyFleetGirls,Moesugi/MFG,ponkotuy/MyFleetGirls,ttdoda/MyFleetGirls,kxbmap/MyFleetGirls,ttdoda/MyFleetGirls,kxbmap/MyFleetGirls,Moesugi/MFG,b-wind/MyFleetGirls