added files

src/netbox_slm/admin.py

@@ -0,0 +1,14 @@
+from django.contrib import admin
+from netbox_slm.models import SoftwareProduct, SoftwareProductVersion
+
+
+class SoftwareProductVersionInline(admin.TabularInline):
+    model = SoftwareProductVersion
+    fields = ('name',)
+    extra = 0
+
+
+@admin.register(SoftwareProduct)
+class SoftwareProductAdmin(admin.ModelAdmin):
+    list_display = ('name',)
+    inlines = (SoftwareProductVersionInline,)