Add reference to kiss-icp used in ground consistency demo

Signed-off-by: haider8645 <haider_lodhi@hotmail.com>

Author: haider8645

tutorials/docs/navigation2_with_ground_consistency_layer.rst

@@ -317,6 +317,22 @@ References
 - `Clearpath Husky Robot <https://clearpathrobotics.com/husky>`_
 - `ROS 2 Jazzy Documentation <https://docs.ros.org/en/jazzy/>`_
 
+KISS-ICP Odometry
+-----------------
+
+.. code-block:: bibtex
+      @article{vizzo2023ral,
+      author    = {Vizzo, Ignacio and Guadagnino, Tiziano and Mersch, Benedikt and Wiesmann, Louis and Behley, Jens and Stachniss, Cyrill},
+      title     = {{KISS-ICP: In Defense of Point-to-Point ICP -- Simple, Accurate, and Robust Registration If Done the Right Way}},
+      journal   = {IEEE Robotics and Automation Letters (RA-L)},
+      pages     = {1029--1036},
+      doi       = {10.1109/LRA.2023.3236571},
+      volume    = {8},
+      number    = {2},
+      year      = {2023},
+      codeurl   = {https://github.com/PRBonn/kiss-icp},
+   }
+
 Husky Robot Model
 -----------------