Update URM Version to 1.4.4 and regenerated all puml files

strategy/etc/strategy.urm.puml

@@ -1,5 +1,10 @@
 @startuml
 package com.iluwatar.strategy {
+  class App {
+    - LOGGER : Logger {static}
+    + App()
+    + main(args : String[]) {static}
+  }
   class DragonSlayer {
     - strategy : DragonSlayingStrategy
     + DragonSlayer(strategy : DragonSlayingStrategy)
@@ -9,19 +14,18 @@ package com.iluwatar.strategy {
   interface DragonSlayingStrategy {
     + execute() {abstract}
   }
-  class App {
-    + App()
-    + main(args : String[]) {static}
-  }
   class MeleeStrategy {
+    - LOGGER : Logger {static}
     + MeleeStrategy()
     + execute()
   }
   class ProjectileStrategy {
+    - LOGGER : Logger {static}
     + ProjectileStrategy()
     + execute()
   }
   class SpellStrategy {
+    - LOGGER : Logger {static}
     + SpellStrategy()
     + execute()
   }