feat: publish standalone worker

Separate worker packaging and service lifecycle from the control plane.

internal/sender/text_down_one.go

@@ -0,0 +1,15 @@
+package sender
+
+import (
+	"bytes"
+
+	"rsgit.ru/rsmon/rsmon/app/models"
+	"rsgit.ru/rsmon/rsmon/internal/notifyrender"
+)
+
+// TextDownOne provides functionality.
+//
+// Deprecated: use internal/notifyrender.TextDownOne directly.
+func TextDownOne(event *models.Event) (bytes.Buffer, bytes.Buffer, bytes.Buffer, bytes.Buffer) {
+	return notifyrender.TextDownOne(event)
+}