add data class diagram

Documentation/data.puml

@@ -0,0 +1,69 @@
+@startuml
+
+class Account {
+    - email: String
+    - phoneNumber: String
+
+    + setMailAddress(String)
+    + getMailAddress(): String
+    + getPhoneNumber(): String
+    + setPhoneNumber(String)
+    + getUser(): AccountUser
+}
+
+Account --> "- user" AccountUser
+Account --> "- teams *" Team
+
+interface User {
+    + getName(): String
+    + getProfilePicture(): URI
+    + getAge(): int
+}
+
+class AccountUser {
+    - name: String
+    - profilePicture: URI
+    - age: int
+
+    + setName(String)
+    + setProfilePicture(URI)
+    + setAge(int)
+}
+AccountUser ..|> User
+
+
+abstract class Member {
+    getUser(): User
+}
+
+Member --> "- user" User
+
+class Coach {
+    'todo
+}
+
+class Player {
+    'todo
+}
+
+Player --|> Member
+Coach --|> Member
+
+class Team {
+    - name: String
+    - picture: URI
+    - mainColor: Color
+    - secondColor: Color
+
+    + getName(): String
+    + getPicture(): URI
+    + getMainColor(): Color
+    + getSecondColor(): Color
+    + getCoachs(): array
+    + getPlayers(): array
+}
+
+Team --> "- players *" Player
+Team --> "- coachs *" Coach
+
+@enduml