Liquidfun links

deps/include/Box2D/Documentation/Programmers-Guide/Chapter05_Dynamics_Module.md

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+# Dynamics Module
+
+[Overview](#ov)<br/>
+
+<a name="ov">
+## Overview
+
+The Dynamics module is the most complex part of LiquidFun and is the part you
+likely interact with the most. The Dynamics module sits on top of the Common
+and Collision modules, so you should be somewhat familiar with those by now.
+
+The Dynamics module contains:
+
+* fixture class
+
+* rigid body class
+
+* contact class
+
+* joint classes
+
+* world class
+
+* listener classes
+
+There are many dependencies between these classes so it is difficult to
+describe one class without referring to another. In the following, you may see
+some references to classes that have not been described yet. Therefore, you
+may want to quickly skim this chapter before reading it closely.
+
+The dynamics module is covered in the following chapters.
+
+
+*This content is licensed under
+[Creative Commons Attribution 4.0](http://creativecommons.org/licenses/by/4.0/legalcode).
+For details and restrictions, please see the
+[Content License](md__content_license.html).*