Add cron tasks to distillery

internal/dis/component/cron.go

@@ -0,0 +1,16 @@
+package component
+
+import (
+	"context"
+)
+
+// Cronable is a component that implements a cron method
+type Cronable interface {
+	Component
+
+	// Name of the cron task being performed
+	TaskName() string
+
+	// Cron is called to run this cron task
+	Cron(ctx context.Context) error
+}