Initial draft of output hierarchy and writers.

.gitmodules

CMakeLists.txt

Documentation/Examples/CMakeLists.txt

Documentation/Examples/vertical_EAS.cc

Framework/Cascade/Cascade.h

Outputs/BaseOutput.h

Outputs/CMakeLists.txt

Outputs/ObservationPlaneWriterParquet.h

Outputs/OutputManager.cc

Outputs/OutputManager.h

Outputs/YAML.hpp

Outputs/helpers/ParquetStreamer.h

Processes/ObservationPlane/CMakeLists.txt

Processes/ObservationPlane/ObservationPlane.cc

Processes/ObservationPlane/ObservationPlane.h

Processes/ObservationPlane/testObservationPlane.cc

ThirdParty/CMakeLists.txt

ThirdParty/arrow

ThirdParty/yaml-cpp