Add form to add multiple things to a box

boxes/forms.py

@@ -0,0 +1,24 @@
+from django import forms
+
+from .models import Thing
+
+
+class ThingForm(forms.ModelForm):
+    """Form for adding a Thing."""
+
+    class Meta:
+        model = Thing
+        fields = ('name', 'thing_type', 'description', 'picture')
+        widgets = {
+            'name': forms.TextInput(attrs={'class': 'form-control'}),
+            'thing_type': forms.Select(attrs={'class': 'form-control'}),
+            'description': forms.Textarea(attrs={'class': 'form-control', 'rows': 2}),
+        }
+
+
+ThingFormSet = forms.modelformset_factory(
+    Thing,
+    form=ThingForm,
+    extra=1,
+    can_delete=False
+)