Added docs into branch

Signed-off-by: Marcin Woźniak <y0rune@aol.com>

buisnesslogic/src/main/java/com/plannaplan/entities/Assignment.java

@@ -7,6 +7,10 @@ import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 
+/**
+ *  Entity of Assignment grouping of state associated about group_id and commision_id
+ */
+
 @Entity
 public class Assignment {
     @Id

buisnesslogic/src/main/java/com/plannaplan/entities/Commision.java

@@ -11,6 +11,10 @@ import javax.persistence.JoinColumn;
 import javax.persistence.OneToMany;
 import javax.persistence.OneToOne;
 
+/**
+ *  Entity of Commision grouping of state associated about commison and owner_id
+ */
+
 @Entity
 public class Commision {
     @Id

buisnesslogic/src/main/java/com/plannaplan/entities/Course.java

@@ -10,6 +10,10 @@ import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.OneToMany;
 
+/**
+ *  Entity of Course grouping of state of course
+ */
+
 @Entity
 public class Course {
     @Id

buisnesslogic/src/main/java/com/plannaplan/entities/Groups.java

@@ -10,7 +10,9 @@ import javax.persistence.ManyToOne;
 import com.plannaplan.types.GroupType;
 import com.plannaplan.types.WeekDay;
 
-
+/**
+ *  Entity of Groups grouping of state ssociated about course,time,room,capacity,type,day
+ */
 
 @Entity
 public class Groups {

buisnesslogic/src/main/java/com/plannaplan/entities/Lecturer.java

@@ -5,6 +5,10 @@ import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
 
+/**
+ *  Entity of Lecturer grouping of state ssociated about id,title,name,surname
+ */
+
 @Entity
 public class Lecturer {
     @Id

buisnesslogic/src/main/java/com/plannaplan/entities/User.java

@@ -9,6 +9,10 @@ import javax.persistence.Id;
 
 import com.plannaplan.types.UserRoles;
 
+/**
+ *  Entity of User grouping of state ssociated about id,name,surname,email,role,token,tokenCreatedDate
+ */
+
 @Entity
 public class User {
     @Id