There is a video tutorial available which shows how to update a VSTA project template to mimic the ShapeApp sample templates which use a post build event to move add-in assemblies to %My Documents%\ShapeAppCSharp\AppAddIns. Methods covered include manually updating the template, using Visual Studio to...
Post build events are very important in VSTA (versions 1 and 2). They are used to install files in the GAC, organize DLL's for add-in discovery, and in VSTA v 2, to rebuild the pipeline. Here are the files used in post build events by the ShapeApp samples, the commands which run them, and some information...