Modernized einsy_config.cfg

[stackingdeezlayers]

Made some tweaks such as:

• Swapped from watermark to PID on the heater bed, just to make it more accurate.
• Updated extruder section to modern klipper language
• Changed rotation_distance and added a gear_ratio
• Updated the the extruder thermistor to the newer "ATC Semitec 104NT-4-R025H42G"

[stackingdeezlayers]

Didn't see the approval..Fixed all conflicts