api/pupdevices: add ForceSensor

Initial class without any methods for the SPIKE Force Sensor

doc/api/pupdevices.rst

@@ -162,6 +162,17 @@ Ultrasonic Sensor
 
     .. automethod:: pybricks.pupdevices::UltrasonicSensor.lights.off
 
+Force Sensor
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. todo:: Support for this sensor is not yet implemented. API is experimental.
+
+.. figure:: ../api/images/sensor_force.png
+   :width: 35 %
+
+.. autoclass:: pybricks.pupdevices.ForceSensor
+    :no-members:
+
 
 .. Tilt Sensor
 .. ^^^^^^^^^^^^^^^^^^^^^^^^^

pybricks/pupdevices.py

@@ -148,3 +148,8 @@ class UltrasonicSensor:
     """LEGO® SPIKE Color Sensor."""
 
     lights = _LightArray(3)
+
+
+class ForceSensor:
+    """LEGO® SPIKE Force Sensor."""
+    pass