feat: update models for homepage app and added new model to admin.py

widget_group_6/homepage/admin.py

 from django.contrib import admin
-from .models import WidgetUser
+from .models import Department, WidgetUser
+
+class DepartmentAdmin(admin.ModelAdmin):
+    model = Department
 
 class WidgetUserAdmin(admin.ModelAdmin):
     model = WidgetUser
 
 # Register your models here.
 admin.site.register(WidgetUser, WidgetUserAdmin)
+admin.site.register(Department, DepartmentAdmin)

widget_group_6/homepage/models.py

 from django.db import models
 
 # Create your models here.
+class Department(models.Model):
+        dept_name = models.CharField(max_length=100)
+        home_unit = models.CharField(max_length=64)
+
+        def __str__(self):
+                return '{}, {}'.format(
+                        self.dept_name,
+                        self.home_unit,
+                        )
+
 class WidgetUser(models.Model):
         first_name = models.CharField(max_length=50)
         middle_name = models.CharField(max_length=50)
         last_name = models.CharField(max_length=50)
+        id_num = models.PositiveIntegerField(max_length=7)
+        email = models.CharField(max_length=320)
+        department = models.ForeignKey(
+                Department,
+                on_delete=models.CASCADE,
+                default=None,
+                null=True
+                )
 
         def __str__(self):
                 return '{}, {} {}'.format(