Feature/systemd query events (#1728)

* [service] Subscribe to systemd-resolver events

* [service] Add disabled state to the resolver

* [service] Add ETW DNS event listener

* [service] DNS listener refactoring

* [service] Add windows core dll project

* [service] DNSListener refactoring, small bugfixes

* [service] Change dns bypass rule

* [service] Update gitignore

* [service] Remove shim from integration module

* [service] Add DNS packet analyzer

* [service] Add self-check in dns monitor

* [service] Fix go linter errors

* [CI] Add github workflow for the windows core dll

* [service] Minor fixes to the dns monitor

service/integration/integration.go

@@ -0,0 +1,16 @@
+//go:build !windows
+// +build !windows
+
+package integration
+
+type OSSpecific struct{}
+
+// Initialize is empty on any OS different then Windows.
+func (i *OSIntegration) Initialize() error {
+	return nil
+}
+
+// CleanUp releases any resourses allocated during initializaion.
+func (i *OSIntegration) CleanUp() error {
+	return nil
+}