feat(people): Add notice to fill in user details

people/models.py

@@ -15,6 +15,16 @@ class User(AbstractUser):
     """
     Custom user model in case we need to make changes later.
     """
+    def has_person(self) -> bool:
+        """
+        Does this user have a linked :class:`Person` record?
+        """
+        try:
+            person = self.person
+            return True
+
+        except Person.DoesNotExist:
+            return False
 
 
 class Organisation(models.Model):

people/templates/people/person/detail.html

@@ -66,6 +66,9 @@
     <a class="btn btn-success"
        href="{% url 'people:person.update' pk=person.pk %}">Update</a>
 
+    <a class="btn btn-info"
+       href="{% url 'password_change' %}?next={{ person.get_absolute_url }}">Change Password</a>
+
     <hr>
 
     <div class="row">