Add DTO / DAO description

backend/src/main/java/de/hft/geotime/record/TimeRecord.java

@@ -20,7 +20,7 @@ public class TimeRecord {
     @Id
     private long id;
     @OneToOne
-    private TimetrackAccount account;
+    private TimetrackAccount account; // TimetrackAccount ID (Lazy)
     private Date startdate;
     private Date enddate;
     private Duration time;

backend/src/main/java/de/hft/geotime/timetrackaccount/TimetrackAccount.java

@@ -17,7 +17,7 @@ public class TimetrackAccount {
     @GeneratedValue(strategy = GenerationType.AUTO)
     private long id;
     @OneToOne
-    private TimetrackUser timetrackUser;
+    private TimetrackUser timetrackUser; // TimetrackUser Id (Lazy) [REMOVE]
     private double revenue;
     private String name;
     private String description;

backend/src/main/java/de/hft/geotime/user/TimetrackUser.java

@@ -21,12 +21,12 @@ public class TimetrackUser {
     private long id;
     @UniqueElements
     private String username;
-    private String password;
+    private String password;        // strip
     private String firstname;
     private String lastname;
     @OneToOne
-    private Role role;
+    private Role role;              // Projection (String)
     @OneToMany
-    private List<TimetrackAccount> timetrackAccounts;
+    private List<TimetrackAccount> timetrackAccounts; // Lazy List
 
 }