ADD : New feature modify the knowledgebase

src/main/java/eu/hsrw/ias/ggd/Device.java

@@ -34,7 +34,6 @@ public class Device {
                 return setId("70B3D570500042D7");
             case "e8c3fca3-c5cd-48e7-9224-0f8c294fa3c0":
                 return setId("70B3D57050004EF4");
-
             case "f9bb4a5c-f783-4bcf-8c34-0a7c3dd5a632":
                 return setId("70B3D57050006223");
             case "6c9efd4a-db04-453d-8ab8-d480ec97dd26":

src/main/java/eu/hsrw/ias/ggd/Notification.java

@@ -1,7 +1,7 @@
 package eu.hsrw.ias.ggd;
 
 public class Notification {
-    private Severity severity = Severity.None;
+    private Severity severity = Severity.Optimal;
     private String type;
     private SensorData cause;
 

src/main/java/eu/hsrw/ias/ggd/Severity.java

@@ -1,7 +1,7 @@
 package eu.hsrw.ias.ggd;
 
 public enum Severity {
-    None,
+    Optimal,
     Info,
     Warning,
     Error,