Attemt to clean up the repo

DeepXDE_Generalization_Stationary.ipynb/DeepXDE.ipynb

...ization_Stationary.ipynb/FEniCSx_NonLinearHeatEquation.py

DeepXDE_Generalization_Stationary.ipynb/HeatCoefficients.py

ExplicitEulerPINN/DeepXDE_nonlinear.ipynb

ExplicitEulerPINN/Jax.ipynb

FEniCSx.py

InitFEniCS/03_TunerPINN.py

InitFEniCS/FEniCSx.py

InitFEniCS/HeatCoefficients.py

InitFEniCS/PINN.ipynb

InitFEniCS/Pinn.py

InitFEniCS/Tuner_InitExponential.ipynb

InitFEniCS/Tuner_InitFenicsx.ipynb

InitFEniCS/Tuner_InitHeaviside.ipynb

InitFEniCS/Tuner_PINN_Exponential.txt

InitFEniCS/Tuner_PINN_Heaviside.txt

InitFEniCS/Tuner_PINN_InitFEniCS.txt

src/03_TunerPINN.py

src/CompareNewIC.ipynb

src/Constrq.ipynb