unhide the anaconda binary installation instructions

as reminded here: #2820 (comment)

Author: JacksonBurns

documentation/source/users/rmg/installation/index.rst

@@ -46,6 +46,17 @@ For users unfamiliar with bash or Linux, we recommend looking at
     Be sure to also change the version number in the docker run commands to match the version you pulled.
     A full list of available docker images can be found at `Docker Hub <https://hub.docker.com/r/reactionmechanismgenerator/rmg/tags>`_.
 
+Alternative Install: Binary Installation Using Anaconda
+===========================================================
+
+If you are accustomed to using the Anaconda package manager or cannot tolerate the storage overhead of Docker, installation from conda is also available.
+This is recommended for users who want to use RMG out of the box and are not interested in changing the RMG code or making many additions to RMG's thermodynamic and kinetics databases.
+If this does interest you, please see the Developer Install below.
+
+.. toctree::
+    :maxdepth: 1
+
+    anacondaUser
 
 Developer Install: Installation from Source
 ===========================================================
@@ -74,7 +85,6 @@ not recommended for use.
 
     linux
     macos
-    anacondaUser
     anacondaUserWindows
     anacondaDeveloperWindows
     windowsEnvironment