Summary: Add some cmake configurations to support cmake install command. So other cmake based project can depends on yoga by using cmake `find_package` function as follow: ``` find_package(yoga CONFIG REQUIRED) target_link_libraries(main PRIVATE yoga::yogacore) ``` Resolves https://github.com/facebook/yoga/issues/1057 Pull Request resolved: https://github.com/facebook/yoga/pull/1129 Reviewed By: cortinico Differential Revision: D40581194 Pulled By: NickGerleman fbshipit-source-id: 1f67991b31713561cad766d695dae11c6fc78bbf