Add generated docs

docs/flatland.rst

+flatland package
+================
+
+Submodules
+----------
+
+flatland.cli module
+-------------------
+
+.. automodule:: flatland.cli
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+flatland.flatland module
+------------------------
+
+.. automodule:: flatland.flatland
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+
+Module contents
+---------------
+
+.. automodule:: flatland
+    :members:
+    :undoc-members:
+    :show-inheritance:

docs/modules.rst

+flatland
+========
+
+.. toctree::
+   :maxdepth: 4
+
+   flatland