fix(core): update

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@signature.digital/portablecontract',
-  version: '1.0.3',
+  version: '1.0.4',
   description: 'a package that defines standard tools for working with contracts.'
 }

ts/index.ts

@@ -1,3 +1 @@
-import * as plugins from './portablecontract.plugins.js';
-
-export let demoExport = 'Hi there! :) This is an exported string';
+export * from './interfaces/index.js';