Update model class diagram

docs/diagrams/ModelClassDiagram.puml

@@ -21,6 +21,13 @@ Class Phone
 Class Tag
 
 Class I #FFFFFF
+
+Class ModuleMap
+
+Class Module
+Class ModuleCode
+Class Title
+Class Description
 }
 
 Class HiddenOutside #FFFFFF
@@ -31,7 +38,8 @@ AddressBook .up.|> ReadOnlyAddressBook
 ModelManager .up.|> Model
 Model .right.> ReadOnlyUserPrefs
 Model .left.> ReadOnlyAddressBook
-ModelManager -left-> "1" AddressBook
+ModelManager -right-> "1" AddressBook
+ModelManager -right-> "1" ModuleMap
 ModelManager -right-> "1" UserPrefs
 UserPrefs .up.|> ReadOnlyUserPrefs
 
@@ -42,6 +50,7 @@ Student *--> Phone
 Student *--> Email
 Student *--> Address
 Student *--> "*" Tag
+Student *--> "*" ModuleCode
 
 Student -[hidden]up--> I
 UniqueStudentList -[hidden]right-> I
@@ -51,4 +60,12 @@ Phone -[hidden]right-> Address
 Address -[hidden]right-> Email
 
 ModelManager --> "~* filtered" Student
+
+ModuleMap --> "~* all" Module
+Module *--> ModuleCode
+Module *--> Title
+Module *--> Description
+
+ModuleCode -[hidden]right-> Title
+Title -[hidden]right-> Description
 @enduml