teleop docs completed

Author: javilinos

docs/_06_user_interfaces/_keyboard_teleoperation/index.rst

@@ -36,10 +36,27 @@ Example of keyboard teleoperation tool launch command:
 
 .. code-block:: bash
 
-    ros2 launch as2_keyboard_teleoperation as2_keyboard_teleoperation_launch.py          namespace:=drone_sim_0,drone_sim_1,drone_sim_2         use_sim_time:=true
+    ros2 launch as2_keyboard_teleoperation as2_keyboard_teleoperation_launch.py namespace:=drone_sim_0,drone_sim_1,drone_sim_2 use_sim_time:=true config_file:=/path/to/config/file.yaml
 
 This will open keyboard teleoperation interface for drones with namespace: ``drone_sim_0``, ``drone_sim_1`` and ``drone_sim_2``.
 
+.. note::
+
+    The ``config_file`` parameter is optional. If not provided, default values will be used.
+
+An example of a configuration file is shown below:
+
+.. code-block:: yaml
+
+  /**:
+    ros__parameters:
+      speed_value: 0.5
+      altitude_speed_value: 0.5
+      turn_speed_value: 0.5
+      position_value: 1.00
+      altitude_value: 1.00
+      turn_angle_value: 0.78
+
 ------------
 Instructions
 ------------
@@ -52,6 +69,8 @@ When the previous launch command is executed, a window like the following will o
 
    Keyboard teleoperation initial window.
 
+When in **speed mode**, motion key needs to be pressed and held to move the drone. When in **pose mode**, motion key needs to be pressed and released to move the drone. 
+
 Interface Components
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