Add another category in guide index to put more advanced hosting/mirrors

Author: willingc

source/guides/index.rst

@@ -13,8 +13,6 @@ introduction to packaging, see :doc:`/tutorials/index`.
    installing-stand-alone-command-line-tools
    installing-using-linux-tools
    installing-scientific-packages
-   index-mirrors-and-caches
-   hosting-your-own-index
 
 .. toctree::
    :maxdepth: 1
@@ -31,6 +29,13 @@ introduction to packaging, see :doc:`/tutorials/index`.
    making-a-pypi-friendly-readme
    publishing-package-distribution-releases-using-github-actions-ci-cd-workflows
 
+.. toctree::
+   :maxdepth: 1
+   :caption: Hosting
+
+   index-mirrors-and-caches
+   hosting-your-own-index
+
 .. toctree::
    :maxdepth: 1
    :caption: Miscellaneous: