Add a large chunk of the docs for command line interface

will have to finish subcommands later

docs/api/wuttjamaican/cmd.rst

@@ -4,3 +4,20 @@
 
 .. automodule:: wuttjamaican.cmd
    :members:
+
+The core framework is contained in :mod:`wuttjamaican.cmd.base`.
+
+Note that :class:`~wuttjamaican.cmd.base.Command` serves as the base
+class for top-level :term:`commands<command>` but it also functions as
+the top-level ``wutta`` command.
+
+Some :term:`subcommands<subcommand>` are available as well; these are
+registered under the ``wutta`` command.
+
+.. toctree::
+   :maxdepth: 1
+
+   cmd.base
+   cmd.date_organize
+   cmd.make_appdir
+   cmd.setup

docs/api/wuttjamaican/index.rst

@@ -9,10 +9,6 @@
 
    app
    cmd
-   cmd.base
-   cmd.date_organize
-   cmd.make_appdir
-   cmd.setup
    conf
    db
    db.conf