feat: map explore page (#29)

Signed-off-by: Innei <tukon479@gmail.com>
Co-authored-by: MaxtuneLee <max@xox.im>
Co-authored-by: Innei <tukon479@gmail.com>

site.config.ts

@@ -11,8 +11,16 @@ export interface SiteConfig {
   author: Author
   social?: Social
   feed?: Feed
+  map?: MapConfig
 }
 
+/**
+ * Map configuration - can be either:
+ * - A string for a single provider: 'maplibre'
+ * - An array for multiple providers in priority order: ['maplibre']
+ */
+type MapConfig = 'maplibre'[]
+
 interface Feed {
   folo?: {
     challenge?: {