gazebo garden beginner question

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I have just installed gazebo garden on Ubuntu 22.04 as described here - link text

Why is there no /usr/share/gazebo-11/setup.sh file? Should I create this as I have with prior installs?

Does this look correctly written for this file?

export GAZEBO_MASTER_URI=http://localhost:11345

export GAZEBO_MODEL_DATABASE_URI=http://app.gazebosim.org/fuel/models

export GAZEBO_WORLDS_DATABASE_URI=http://app.gazebosim.org/fuel/worlds

export GAZEBO_PLUGIN_PATH=/usr/lib/x86_64-linux-gnu/gazebo-11/plugins:$(GAZEBO_PLUGIN_PATH)

export LD_LIBRARY_PATH=$(LD_LIBRARY_PATH):/usr/lib/x86_64-linux-gnu/gazebo-11/plugins

export OGRE_RESOURCE_PATH=/user/lib/x86_64-linux-gnu/OGRE-1.9.0