feat: remote checker should work, add config example

uptime.config.ts

@@ -55,8 +55,9 @@ const workerConfig = {
       // [OPTIONAL] if specified, the response must NOT contains the keyword to be considered as operational.
       responseForbiddenKeyword: 'bad gateway',
       // [OPTIONAL] if specified, will call the check proxy to check the monitor, mainly for geo-specific checks
-      // refer to docs **TODO** before setting this value
-      checkProxy: 'https://xxx.example.com',
+      // refer to docs https://github.com/lyc8503/UptimeFlare/wiki/Check-proxy-setup before setting this value
+      // currently supports `worker://` and `http(s)://` proxies
+      checkProxy: 'https://xxx.example.com OR worker://weur',
       // [OPTIONAL] if true, the check will fallback to local if the specified proxy is down
       checkProxyFallback: true,
     },