feat(providers): add giganews support (#2479)

internal/provider/giganews/updater/updater.go

@@ -0,0 +1,20 @@
+package updater
+
+import (
+	"github.com/qdm12/gluetun/internal/provider/common"
+)
+
+type Updater struct {
+	unzipper         common.Unzipper
+	parallelResolver common.ParallelResolver
+	warner           common.Warner
+}
+
+func New(unzipper common.Unzipper, warner common.Warner,
+	parallelResolver common.ParallelResolver) *Updater {
+	return &Updater{
+		unzipper:         unzipper,
+		parallelResolver: parallelResolver,
+		warner:           warner,
+	}
+}