Added WidgetUser association with Department model

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=100)
+
 class WidgetUser(models.Model):
     first_name = models.CharField(max_length=100)
     middle_name = models.CharField(max_length=50)
     last_name = models.CharField(max_length=50)
     id_num = models.CharField(max_length=7)
     email = models.EmailField()
-
-class Department(models.Model):
-    dept_name = models.CharField(max_length=100)
-    home_unit = models.CharField(max_length=100)
-    
\ No newline at end of file
+    department = models.ForeignKey(Department, on_delete=models.CASCADE, related_name="users")