feat(registry): modernize npm registry file handling and package extraction APIs

ts/smartnpm.plugins.ts

@@ -8,6 +8,7 @@ import * as consolecolor from '@push.rocks/consolecolor';
 import * as levelcache from '@push.rocks/levelcache';
 import * as smartarchive from '@push.rocks/smartarchive';
 import * as smartfile from '@push.rocks/smartfile';
+import * as smartfs from '@push.rocks/smartfs';
 import * as smartpath from '@push.rocks/smartpath';
 import * as smartpromise from '@push.rocks/smartpromise';
 import * as smartrequest from '@push.rocks/smartrequest';
@@ -19,6 +20,7 @@ export {
   levelcache,
   smartarchive,
   smartfile,
+  smartfs,
   smartpath,
   smartpromise,
   smartrequest,