Added Faculty management

Lab2/src/main/java/org/lumijiez/base/Faculty.java

@@ -2,9 +2,10 @@ package org.lumijiez.base;
 
 import org.lumijiez.enums.StudyField;
 
+import java.io.Serializable;
 import java.util.List;
 
-public class Faculty {
+public class Faculty implements Serializable {
 
     public Faculty(String name, String abbreviation, StudyField field) {
         this.name = name;

Lab2/src/main/java/org/lumijiez/base/Student.java

@@ -30,6 +30,7 @@ public class Student implements Serializable {
     private FullStudentData FSD;
     private final List<Grade> grades = new ArrayList<>();
 
+
     // Student stores a reference to its own Group and Faculty, bidirectional association
 
     public Faculty getFaculty() {