Add view for BomItem model

- Create BOM item (auto-add to a parent part)
- Edit / delete
- View details

InvenTree/part/models.py

@@ -201,6 +201,9 @@ class BomItem(models.Model):
     which parts are required (and in what quatity) to make it
     """
 
+    def get_absolute_url(self):
+        return '/part/bom/{id}/'.format(id=self.id)
+
     # A link to the parent part
     # Each part will get a reverse lookup field 'bom_items'
     part = models.ForeignKey(Part, on_delete=models.CASCADE, related_name='bom_items')