add initial docs

docs/edbob.commands.rst

@@ -0,0 +1,57 @@
+
+:mod:`edbob.commands`
+=====================
+
+.. automodule:: edbob.commands
+
+.. autofunction:: main
+
+Base Classes
+------------
+
+.. autoclass:: edbob.commands.Command
+
+   .. attribute:: name
+
+      The name for the command.  This should match the name of your
+      application.
+
+   .. attribute:: description
+
+      A short description of the command, used when displaying help.
+
+   .. attribute:: long_description
+
+      A longer description of the command, used when displaying help.
+
+   .. attribute:: subcommands
+
+      A dictionary of available subcommands, keyed by name.
+
+   .. attribute:: version
+
+      The version of the application for which the command exists.
+
+   .. automethod:: iter_subcommands
+
+   .. automethod:: print_help
+
+   .. automethod:: run
+
+.. autoclass:: edbob.commands.Subcommand
+
+   .. autoattribute:: name
+
+   .. autoattribute:: description
+
+   .. automethod:: add_parser_args
+
+   .. automethod:: run
+
+
+Core Commands
+-------------
+
+.. autoclass:: edbob.commands.ShellCommand
+
+.. autoclass:: edbob.commands.UuidCommand