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docs/README.md

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+# Instaloader Documentation
+
+This directory contains sources for the Instaloader documentation.
+
+The documentation is hosted at:
+https://instaloader.readthedocs.org/
+
+## Build
+
+The documentation is created with [Sphinx](http://www.sphinx-doc.org/). To build it, use
+
+```
+pip3 install sphinx
+make html
+```