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/views/__init__.py

@@ -4,6 +4,7 @@ from .software_license import (
     SoftwareLicenseEditView,
     SoftwareLicenseDeleteView,
     SoftwareLicenseBulkDeleteView,
+    SoftwareLicenseBulkImportView,
 )
 from .software_product import (
     SoftwareProductListView,
@@ -11,6 +12,7 @@ from .software_product import (
     SoftwareProductEditView,
     SoftwareProductDeleteView,
     SoftwareProductBulkDeleteView,
+    SoftwareProductBulkImportView,
 )
 from .software_product_installation import (
     SoftwareProductInstallationListView,
@@ -18,6 +20,7 @@ from .software_product_installation import (
     SoftwareProductInstallationEditView,
     SoftwareProductInstallationDeleteView,
     SoftwareProductInstallationBulkDeleteView,
+    SoftwareProductInstallationBulkImportView,
 )
 from .software_product_version import (
     SoftwareProductVersionListView,
@@ -25,4 +28,5 @@ from .software_product_version import (
     SoftwareProductVersionEditView,
     SoftwareProductVersionDeleteView,
     SoftwareProductVersionBulkDeleteView,
+    SoftwareProductVersionBulkImportView,
 )