Add types and altitudes to SIG Ref lookups

providers/sigrefdata/towers.py

@@ -20,6 +20,7 @@ class Towers(FileDownloadSIGRefDataProvider):
         for row in csv.DictReader(http_response.content.decode("utf-8-sig").splitlines(), delimiter=";"):
             ref_id = row["Ref"]
             new_data.append(SIGRef(sig=self.SIG, id=ref_id, name=row["Nazev"] if "Nazev" in row else None,
+                                      type="Tower",
                                       url="https://wwtota.com/seznam/karta_rozhledny.php?ref=" + ref_id,
                                       grid=row["Lokator"] if "Lokator" in row and row["Lokator"] != "" else None,
                                       latitude=float(row["Lat"]) if "Lat" in row and row["Lat"] != "" else None,