Add most of the structure! plus several Base Layer docs

docs/base/config/generate.rst

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+
+Generating Config Files
+=======================
+
+Rattail is able to generate "starting point" config files for you, for any of
+the types described in :doc:`paths`.  Usually you will need to edit them
+further, but the basic structure can be provided automatically.
+
+Run any of these commands from your env root (e.g. ``/srv/envs/poser``)
+depending on which types of files you need:
+
+.. code-block:: sh
+
+   bin/rattail make-config -O app/ -T rattail
+   bin/rattail make-config -O app/ -T quiet
+   bin/rattail make-config -O app/ -T web
+   bin/rattail make-config -O app/ -T datasync
+   bin/rattail make-config -O app/ -T filemon
+
+Each generated file should contain "TODO" comments directing your attention to
+settings which may require adjustment.