feat(smartnetwork): Add randomizable port search and switch DNS resolution to @push.rocks/smartdns; export smartdns and update docs

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartnetwork',
-  version: '4.2.0',
+  version: '4.3.0',
   description: 'A toolkit for network diagnostics including speed tests, port availability checks, and more.'
 }