chore(all): move sub-packages to internal/provider

internal/provider/surfshark/updater/remaining.go

@@ -0,0 +1,21 @@
+package surfshark
+
+import (
+	"github.com/qdm12/gluetun/internal/provider/surfshark/servers"
+)
+
+// getRemainingServers finds extra servers not found in the API or in the ZIP file.
+func getRemainingServers(hts hostToServer) {
+	locationData := servers.LocationData()
+	hostnameToLocationLeft := hostToLocation(locationData)
+	for _, hostnameDone := range hts.toHostsSlice() {
+		delete(hostnameToLocationLeft, hostnameDone)
+	}
+
+	for hostname, locationData := range hostnameToLocationLeft {
+		// we assume the server supports TCP and UDP
+		const tcp, udp = true, true
+		hts.add(hostname, locationData.Region, locationData.Country,
+			locationData.City, locationData.RetroLoc, tcp, udp)
+	}
+}