fix: separate Google browser and server keys (#110)

Use a separate optional server key for Places and Street View, with consistent local and Pinokio configuration, server-first CLI selection, and credential isolation checks.

Original contribution by Tom-Neverwinter; reviewed and completed by Sameh Khamis.

Co-authored-by: Tom-Neverwinter <[email protected]>
Co-authored-by: Sameh Khamis <[email protected]>

scripts/google-server-key.mjs

@@ -0,0 +1,5 @@
+/** Resolve server credentials after applying environment overrides per key. */
+export function resolveGoogleServerKey(environment = {}, defaults = {}) {
+  const value = (name) => String(environment[name] ?? defaults[name] ?? '').trim();
+  return value('GOOGLE_MAPS_SERVER_API_KEY') || value('GOOGLE_MAPS_API_KEY');
+}