[WIP] Cura Software Linear Advance for TMC2208 extruder (Ender 3 v2)

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I've made a post-processing script to apply a pseudo Linear Advance to Cura outputs. Still some bugs in the code. proof of concept at the moment. Works really well to print out a spiralized acceleration tower and tune the K_value. clearly fixes quality from increasing speed. I think I have to work out a few kinks in the jerk/acc lookahead functions. The Ender 3 v2 has a integrated TMC2208 which has issues supporting LA from Marlin. Linear Advance: https://marlinfw.org/docs/features/lin_advance.html Aussie guy putting out Ender 3 v2 nightly w/BLTouch already: https://marlin.crc.id.au/firmware/Ender%203%20V2%20-%20BLTouch/ TT tuning guide for acceleration tower: https://teachingtechyt.github.io/calibration.html#linadv GITHUB issues fixed: https://github.com/Ultimaker/Cura/issues/8202 https://github.com/Ultimaker/Cura/issues/7329

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