Release 1.9.4 Stable.

Added PredictorMountMovement and its example.
Added example for PredictorStarNovas.
Added PassCalculator class for getting the passes of a SLR object using a PredictorSLR.
Refactorized data structs, its locations and namespaces.
Refactorized the whole library.

Release 1.9.3 Stable

Version-1.9.3-Stable

chore: updated CMakeLists.txt