fix(config): migrate configuration handling from npmextra to smartconfig

ts/mod_format/formatters/packagejson.formatter.ts

@@ -101,7 +101,7 @@ export class PackageJsonFormatter extends BaseFormatter {
     const packageJson = JSON.parse(currentContent);
 
     // Get gitzone config from npmextra
-    const npmextraConfig = new plugins.npmextra.Npmextra(paths.cwd);
+    const npmextraConfig = new plugins.npmextra.Smartconfig(paths.cwd);
     const gitzoneData: any = npmextraConfig.dataFor('@git.zone/cli', {});
 
     // Set metadata from gitzone config
@@ -156,7 +156,7 @@ export class PackageJsonFormatter extends BaseFormatter {
       'dist_ts_web/**/*',
       'assets/**/*',
       'cli.js',
-      'npmextra.json',
+      'smartconfig.json',
       'readme.md',
     ];