Add API documentation to the package!

docs/_ext/djangodummy/requirements.txt

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+# for readthedocs
+# Remaining requirements are picked up from setup.py
+Django==1.5.10

docs/_ext/djangodummy/settings.py

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+# Settings file to allow parsing API documentation of Django modules,
+# and provide defaults to use in the documentation.
+#
+# This file is placed in a subdirectory,
+# so the docs root won't be detected by find_packages()
+
+# Display sane URLs in the docs:
+STATIC_URL = '/static/'
+
+# Avoid error for missing the secret key
+SECRET_KEY = 'docs'