docs: Move config reference information to new Config_Reference.md

Move all the config reference information from files in the config/
directory to a new Config_Reference.md document.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

config/example-winch.cfg

@@ -1,6 +1,6 @@
-# This file serves as documentation for config parameters of cable
-# winch style printers. One may copy and edit this file to configure a
-# new cable winch printer.
+# This file is an example config file for cable winch style printers.
+# One may copy and edit this file to configure a new cable winch
+# printer.
 
 # CABLE WINCH SUPPORT IS EXPERIMENTAL - PROCEED WITH CAUTION!
 
@@ -8,26 +8,16 @@
 # home the printer, manually send movement commands until the toolhead
 # is at 0,0,0 and then issue a G28 command.
 
-# Only parameters unique to cable winch printers are described here -
-# see the "example.cfg" file for description of common config
-# parameters.
+# See docs/Config_Reference.md for a description of parameters.
 
-# The stepper_a section describes the stepper connected to the first
-# cable winch. A minimum of 3 and a maximum of 26 cable winches may be
-# defined (stepper_a to stepper_z) though it is common to define 4.
 [stepper_a]
 step_pin: ar54
 dir_pin: ar55
 enable_pin: !ar38
 step_distance: .01
-#   The step_distance is the nominal distance (in mm) the toolhead
-#   moves towards the cable winch on each step pulse. This parameter
-#   must be provided.
 anchor_x: 0
 anchor_y: -2000
 anchor_z: -100
-#   The x, y, and z position of the cable winch in cartesian space.
-#   These parameters must be provided.
 
 [stepper_b]
 step_pin: ar60
@@ -81,16 +71,11 @@ control: watermark
 min_temp: 0
 max_temp: 130
 
-# Print cooling fan (omit section if fan not present).
-#[fan]
-#pin: ar9
-
 [mcu]
 serial: /dev/ttyACM0
 pin_map: arduino
 
 [printer]
 kinematics: winch
-#   This option must be "winch" for cable winch printers.
 max_velocity: 300
 max_accel: 3000