Add decoupling caps on both opamps, related to #60

Free the MCU Erase pin, connect it to the debugging conneter, use PB0 as flow valve GPIO, related to #60

Remove flow pump redundant connector, related to #2

Delete control pumps-valves MCU signals and current sensors signals, close #89

Fix clearance errors and intersections between 5V and 3V3 power planes

Few 12V power plane wrapping

Few clearance erros left on the pressure sensors, we can ingore

Fix heater mosfet clearance

Switch spare GPIO 3 and SWD CLK positions in the debugging connector and reroute

Fix a lot of clearance errors