VisionServer 2.0 Initial

VisionServer 2.0

• Converted to library format (.a and .so)
• Moved legacy code to separate directory
• New ::vs2 namespace
• Fully static API
• Multithreaded pipeline instancing
• Unlimited* pipelines and output streams
• Tensorflow Lite and EdgeTPU support (Axon)
• New and improved pipeline and target base classes

What's Changed

• prepare for multi-instance processing by @S1ink in #2
• Merge for v2.0.0 by @S1ink in #3
• merge new filestructure by @S1ink in #4

Full Changelog: v.0.3.0...v2.0.0