Add robot setup instructions

As the robot setup instructions are independent whether ROS, ROS 2 or a
custom application is using the client library, documentation for that
should also go to the client library.

Author: urfeex

doc/conf.py

@@ -46,9 +46,10 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    "sphinx_tabs.tabs",
+    "sphinx.ext.todo",
     "sphinx_copybutton",
     "sphinx_rtd_theme",
-    "sphinx.ext.todo",
 ]
 
 copybutton_exclude = ".linenos, .gp, .go"