feat(dev): Add provider example package

internal/provider/example/updater/updater.go

@@ -0,0 +1,26 @@
+package updater
+
+import (
+	"net/http"
+
+	"github.com/qdm12/gluetun/internal/provider/common"
+)
+
+type Updater struct {
+	// TODO: remove fields not used by the updater
+	client           *http.Client
+	unzipper         common.Unzipper
+	parallelResolver common.ParallelResolver
+	warner           common.Warner
+}
+
+func New(warner common.Warner, unzipper common.Unzipper,
+	client *http.Client, parallelResolver common.ParallelResolver) *Updater {
+	// TODO: remove arguments not used by the updater
+	return &Updater{
+		client:           client,
+		unzipper:         unzipper,
+		parallelResolver: parallelResolver,
+		warner:           warner,
+	}
+}