fix: Standardize UML assotiations

docs/class.puml

@@ -23,7 +23,6 @@ class Mission {
     start: Date
     duration: Time
     objectives: string
-    materialResources: Resource[]
 }
 
 'k assignmentu
@@ -71,14 +70,14 @@ enum WeaponCategory {
     explosives
 }
 
-Mission o--> Country: targetCountry
-Mission *-> AgentAssignment : includes >
-AgentAssignment <-o Agent : has >
-AgentAssignment *--> Report
-AgentAssignment *--> PerformanceEvaluation
-Agent "1" *--> "1..*" Skill : has >
-Mission "1" --> "1..*" Resource
-WeaponSkill o--> WeaponCategory : weaponCategory
-LanguageSkill o--> LanguageCode : languageCode
+Mission "1..*" o--> "1" Country : targetCountry
+Mission "1..*" *-> "1" AgentAssignment : assignments
+AgentAssignment "1..*" o-> "1" Agent : agent
+AgentAssignment "1" *--> "1..*" Report : reports
+AgentAssignment "1" *--> "1..*" PerformanceEvaluation : performanceEvaluations
+Agent "1" *--> "1..*" Skill : skills
+Mission "1" *--> "1..*" Resource : materialResources
+WeaponSkill "1" o--> "1" WeaponCategory : weaponCategory
+LanguageSkill "1" o--> "1" LanguageCode : languageCode
 
 @enduml