fix(slickvpn/updater): update existing hostnames from servers.json

- SlickVPN location website is now total garbage which cannot be parsed

internal/storage/hardcoded.go

@@ -19,3 +19,9 @@ func parseHardcodedServers() (allServers models.AllServers, err error) {
 	err = decoder.Decode(&allServers)
 	return allServers, err
 }
+
+// HardcodedServers returns the hardcoded servers.
+// Warning: mutating the returned value will impact the storage's internal state.
+func (s *Storage) HardcodedServers() models.AllServers {
+	return s.hardcodedServers
+}