Improved 'Classes Conception' diagram

docs/modules/analyse/partials/preparation-classes.puml

 @startuml "Preparation Analysis"
-hide circle
+' hide circle
 allowmixing
 
 actor :Player: as p1
 
-class Card
-class WonderCard
-class AgeCard
-class GuildCard
+interface PlayableCard
+class AgeCard implements PlayableCard
+class GuildCard implements PlayableCard
 
+class WonderCard
 class WonderBoard
+p1 "1" -down- "*" PlayableCard : possesses
+p1 -down- WonderCard
+WonderCard -down- WonderBoard
 
 class Bank
 class Coin
+Bank "1" o-- "*" Coin
+p1 "1" -left- "*" Coin : possesses
 
 class StackConflictToken
 class ConflictToken
+StackConflictToken "1" o-- "*" ConflictToken : aggregation
+p1 "1" -right- "*" ConflictToken : possesses
 @enduml
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