Added gitattributes file

.gitattributes

@@ -0,0 +1,6 @@
+* text=auto
+
+*.py text
+*.md text
+*.html text
+*.txt text

InvenTree/part/serializers.py

@@ -32,4 +32,5 @@ class PartCategorySerializer(serializers.ModelSerializer):
         fields = ('pk',
                   'name',
                   'description',
+                  'parent',
                   'path')