901 - added ACL list to observations.py as its own observation space with the ACL attributes and the position of the ACL rule in the ACL list, added ImplicitFirewallRule to enums.py and added acl_implicit_rule, max_acl_list to primaite_env.py

src/primaite/common/enums.py

@@ -126,3 +126,10 @@ class LinkStatus(Enum):
     MEDIUM = 2
     HIGH = 3
     OVERLOAD = 4
+
+
+class ImplicitFirewallRule(Enum):
+    """Implicit firewall rule."""
+
+    DENY = 0
+    ALLOW = 1