Implement bulk imports and edits for SLM models (#46)

Partially implements #4
Based on @erichester76's https://github.com/ICTU/netbox_slm/pull/44

Signed-off-by: wkoot <3715211+wkoot@users.noreply.github.com>
Co-authored-by: Eric Hester <eric.hester@umbrella.tech>

netbox_slm/forms/software_product.py

@@ -1,5 +1,5 @@
 from dcim.models import Manufacturer
-from netbox.forms import NetBoxModelForm, NetBoxModelFilterSetForm
+from netbox.forms import NetBoxModelForm, NetBoxModelFilterSetForm, NetBoxModelImportForm
 from netbox_slm.models import SoftwareProduct
 from utilities.forms.fields import CommentField, DynamicModelChoiceField, TagFilterField
 from utilities.forms.rendering import FieldSet
@@ -30,3 +30,15 @@ class SoftwareProductFilterForm(NetBoxModelFilterSetForm):
     model = SoftwareProduct
     fieldsets = (FieldSet(None, ("q", "tag")),)
     tag = TagFilterField(model)
+
+
+class SoftwareProductBulkImportForm(NetBoxModelImportForm):
+    class Meta:
+        model = SoftwareProduct
+        fields = (
+            "name",
+            "description",
+            "manufacturer",
+            "tags",
+            "comments",
+        )