Adapt pid values for simple position example.

Author: livanov93

ign_ros2_control_demos/urdf/test_cart_position.xacro.urdf

@@ -57,8 +57,11 @@
       </state_interface>
       <state_interface name="velocity"/>
       <state_interface name="effort"/>
-      <param name="p_pos">10.0</param>
-      <param name="p_vel">100.0</param>
+      <param name="p_vel">1000.0</param>
+      <param name="i_vel">100.0</param>
+      <param name="d_vel">100.0</param>
+      <param name="iMax_vel">5.0</param>
+      <param name="iMin_vel">-5.0</param>
     </joint>
   </ros2_control>