Update run_all.py

FESOM2_Mesh_Generation_{{cookiecutter.mesh_name}}/run_all.py

@@ -15,6 +15,8 @@ if __name__ == "__main__":
     print("Starting generation of a mesh: {{cookiecutter.mesh_name}}.")
     print(40*"- ")
     print("Gathering input data:")
+    if not os.path.exists("./raw_input_data"):
+        os.makedirs("./raw_input_data")
     shutil.copyfile("{{cookiecutter.input_fpath}}", "./raw_input_data/{{cookiecutter.input_fname}}")
     print(40*"- ")
     print("* MATLAB Part:")