Marlin 2.0 for Tronxy X5S

Remix of X5S Tronxy Marlin 2.0 BLTouch by SLKittie, to be used with a stock(ish) printer without BLTouch. The config file by SLKittie and ej0rge was apparantly meant for an optimized printer and featured non-inverted X/Y axis (you need invertion in the stock configuration), much higher steps/mm for the extruder (probably meant for a geared one), smaller build plate dimensions and some other stuff, that coming from a stock X5S Marlin 1.1.8 firmware wouldn't work properly on my printer and my 3D T