feat: publish standalone worker

Separate worker packaging and service lifecycle from the control plane.

checks/cwhois/result.go

@@ -0,0 +1,14 @@
+// Package cwhois provides functionality.
+package cwhois
+
+import (
+	"github.com/glebtv/whois"
+
+	"rsgit.ru/rsmon/rsmon/internal/checkresult"
+)
+
+// Result is a result of a check
+type Result struct {
+	checkresult.CheckResult
+	Raw whois.Result
+}