Add min and max replica count configuration

Author: 0GiS0

04-cloud/00-aks/03-keda/README.md

@@ -76,6 +76,8 @@ spec:
       #
       # Optional
       queueLength: "5" # default 5
+  minReplicaCount: 0 # default 0
+  maxReplicaCount: 33 # default 100
 EOF
 ```