add wargames prefix

Author: mplsgrant

src/warnet/constants.py

@@ -14,6 +14,7 @@
 DEFAULT_NAMESPACE = "default"
 LOGGING_NAMESPACE = "warnet-logging"
 INGRESS_NAMESPACE = "ingress"
+WARGAMES_NAMESPACE_PREFIX = "wargames-"
 HELM_COMMAND = "helm upgrade --install --create-namespace"
 
 # Directories and files for non-python assets, e.g., helm charts, example scenarios, default configs