Release v2.0.0

First Gen2 release

Gen2 releases now come included with complete source archives in both zip and tar.gz formats.
These can be found under Assets

Features

Along the accumulated features of gen2_develop it also adds:

• Support for find_package(depthai) as well as proper installing with all needed dependencies.
• Submodule not initialized checks
• Documentation of public facing functions (and capability to generate doxygen documentation)