Added file name comments to exchange files

exchange/forms.py

@@ -1,3 +1,5 @@
+# /exchange/forms.py
+
 from django.forms import ModelForm
 
 from crispy_forms.bootstrap import FormActions

exchange/models.py

@@ -1,3 +1,5 @@
+# /exchange/models.py
+
 from django.contrib.auth.models import User
 from django.db import models
 

exchange/tests/tests.py

@@ -1,3 +1,5 @@
+# /exchange/tests/tests.py
+
 from django.test import TestCase
 
 # Create your tests here.

exchange/urls.py

@@ -1,3 +1,5 @@
+# /exchange/urls.py
+
 from django.conf.urls import url
 
 from .views import ExchangeCreateView, ExchangeDetailView

exchange/views.py

@@ -1,3 +1,5 @@
+# /exchange/views.py
+
 from django.contrib.auth.models import User
 from django.http import HttpResponseRedirect
 from django.shortcuts import render