Aerosoft CRJ900 flight model improvment

This add-on provides an enhanced flight model for the Aerosoft CRJ900, focusing on improved flight dynamics and realistic landing and takeoff behaviors. The modifications lead to greater stability and require more significant control inputs, simulating the real-world handling of the aircraft. Installation involves replacing the flight_model.cfg file in the aircrafts directory, with a reminder to back up the original file first. Please note that this mod has not been tested in MSFS2024.