Transformation and LayerInstance classes
Summary: Classes that represent linear matrices transformations and layer instances
Test Plan: Refer to their seperate test files
Reviewers: mahussain, jcmcdonald
Reviewed By: mahussain, jcmcdonald
Subscribers: ardunster
Tags: Anari [Project], IMF [Team], Programming [Dept]
Differential Revision: https://phabricator.mousepawmedia.net/D340