Initial Folder Rework Implementation

Adds the Environment, External, Utils folder inside de DPpack. All classes are going to be implemented there

diceplayer/DPpack/Utils/Validations.py

@@ -0,0 +1,15 @@
+def NotNull(requiredArgs=[]):
+    def _NotNull(function):
+        def wrapper(*args, **kwargs):
+            for arg in requiredArgs:
+                try:
+                    assert (
+                        kwargs.get(arg) is not None
+                    ), "Invalid Config File. Keyword {} is required".format(arg)
+                except AssertionError as err:
+                    print(err)
+            return function(*args, **kwargs)
+
+        return wrapper
+
+    return _NotNull