- add RbmParams.from_dict

- added stack construction
- added empty implementation of Deep Stack and Rnn Stack

src/rbm/stack_deep.py

@@ -0,0 +1,5 @@
+from stack import Stack, StackType
+
+class StackDeep(Stack):
+	def __init__(self, name: str):
+		Stack.__init__(self, StackType.Deep, name)