feat(server,web): server config (#4006)

* feat: server config

* chore: open api

* fix: redirect /map to /photos when disabled

server/src/immich/controllers/server-info.controller.ts

@@ -1,4 +1,5 @@
 import {
+  ServerConfigDto,
   ServerFeaturesDto,
   ServerInfoResponseDto,
   ServerInfoService,
@@ -42,6 +43,12 @@ export class ServerInfoController {
     return this.service.getFeatures();
   }
 
+  @PublicRoute()
+  @Get('config')
+  getServerConfig(): Promise<ServerConfigDto> {
+    return this.service.getConfig();
+  }
+
   @AdminRoute()
   @Get('stats')
   getStats(): Promise<ServerStatsResponseDto> {