-Added preview image

-Reduced Research Time
-Removed Prerequisite research requirements

Reduced required level of Meitou smithing from 90 to 85, explored the reported critical chance causing Meitou weapons to be produced as rusted junk with no conclusive findings, this appears to be built into the game and inaccessible for modding.

- Fixed issue where Meitou grade was not craftable in weapon smith III, removed older models from showing as well