Add dependabot to project

.github/workflows/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates: 
+  # Enable version updates for nuget 
+  — package-ecosystem: “nuget”
+  # Look for NuGet dependency info from the `root` directory
+  directory: “/” 
+  # Check the nuget registry for updates every day (weekdays) schedule: 
+  interval: “daily"