RD-1000 Replace throw error with console.error (#89)

* RD-1000 Replace throw error with console.error to allow for keyless server setups

* RD-1000 reword warning and convert to console.warn

---------

Co-authored-by: Les Moffat <[email protected]>

Author: lesbaa

src/MapLibreBasedGeocodingControl.ts

@@ -288,7 +288,9 @@ export function crateClasses<OPTS extends MapLibreBaseControlOptions>(
       };
 
       if (!props.apiKey) {
-        throw new Error("no apiKey provided");
+        console.warn(
+          "No MapTiler Cloud API key was provided, some or all geocoding requests may fail",
+        );
       }
 
       this.#gc = new GeocodingControlComponent({ target: div, props });