* adds villager trading support
Adds handler for tradeList packet and selectTrade packet
* added extra line at end
* removed tab; removed size and hasSecondItem
removed a mistakenly added tab instead of 4 spaces. SelectTrade was already added in 1.13. Removed unnecessary size and hasSecondItem from trade dataType.
* Added VillagerInfo class and capitalized vars in Trade class
* Update VillagerInfo.cs
* Small formatting/naming adjustments
Co-authored-by: ORelio <ORelio@users.noreply.github.com>
