adding walking to robots using page (#793)

* adding walking to robots using page

Signed-off-by: ncnynl <ncnynl@gmail.com>

* Update walking robot link in robots.rst

Signed-off-by: ncnynl <ncnynl@gmail.com>

* Update robot status from 'soon' to 'walking'

move walking to Research Robots

Signed-off-by: ncnynl <ncnynl@gmail.com>

* Fix formatting in robots.rst for Research Robots section

Signed-off-by: ncnynl <ncnynl@gmail.com>

---------

Signed-off-by: ncnynl <ncnynl@gmail.com>

Author: ncnynl

about/images/walking.png

@@ -41,9 +41,15 @@ Research Robots
 ================
 
 +------------------------+------------------------+------------------------+
-|         |waratah|      +      |soon|            +      |soon|            |
+|         |waratah|      +      |walking|         +      |soon|            |
 +------------------------+------------------------+------------------------+
 
+.. |walking| image:: images/walking.png
+    :width: 100%
+    :align: middle
+    :alt: walking
+    :target: https://www.aztrobotics.com/walking-y2.html
+
 .. |saxion| image:: images/saxion.jpeg
     :width: 100%
     :align: middle