Renamed lib to deps so github will ignore it for language stats

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diff --git a/deps/sol2/docs/source/api/userdata.rst b/deps/sol2/docs/source/api/userdata.rst
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+userdata
+========
+*reference to a userdata*
+
+.. code-block:: cpp
+	:caption: (light\_)userdata reference
+
+	class userdata : public table;
+
+	class light_userdata : public table;
+
+These types are meant to hold a reference to a (light) userdata from Lua and make it easy to push an existing userdata onto the stack. It is essentially identical to :doc:`table<table>` in every way, just with a definitive C++ type that ensures the type is some form of userdata (helpful for trapping type errors with :doc:`safety features turned on<../safety>`). You can also use its ``.is<T>()`` and ``.as<T>()`` methods to check if its of a specific type and retrieve that type, respectively.