docs: Add get_touches() to MicroBitTouchPin.

docs/microbit_micropython_api.rst

@@ -152,6 +152,9 @@ Each of these pins are instances of the ``MicroBitPin`` class, which offers the
     # Only available for touch pins 0, 1, and 2. Returns boolean if the pin
     # has been touched since the last time this method was called
     pin.was_touched()
+    # Only available for touch pins 0, 1, and 2. Returns the running total of
+    # pin touches, and resets this counter to zero
+    pin.get_touches()
     # Only available for touch pins 0, 1, 2 and on micro:bit V2 also the logo.
     # Sets the touch mode. Value can be either RESISTIVE or CAPACITIVE
     pin.set_touch_mode(value)
@@ -165,6 +168,8 @@ pin_logo::
     # returns a boolean if the logo was pressed since the last time
     # this method was called
     pin_logo.was_touched()
+    # returns the running total of touches, and resets this counter to zero
+    pin.get_touches()
     # Sets the touch mode. Value can be either RESISTIVE or CAPACITIVE
     pin.set_touch_mode(value)
 

docs/pin.rst

@@ -207,6 +207,11 @@ its own to that.
         Returns ``True`` or ``False`` to indicate if the pin was touched
         since the device started or since the last time this method was called.
 
+    .. py:method:: get_touches()
+
+        Returns the number of times the pin was touched
+        since the device started or since the last time this method was called.
+
     .. py:method:: set_touch_mode(value)
 
         .. note::