Touch sensor doc fill-in (#320)

libs/gyro-sensor/docs/reference/sensors/gyro.md

@@ -0,0 +1,13 @@
+# Gyro sensor
+
+```cards
+sensors.gyro1.angle();
+sensors.gyro1.rate();
+sensors.gyro1.reset();
+```
+
+## See Also
+
+[angle](/reference/sensors/gyro/angle),
+[rate](/reference/sensors/gyro/rate),
+[reset](/reference/sensors/gyro/reset)