Merge pull request #202 from pushchain/release/core-2.0.0

feat(core)release 2.0.0

Author: strykerin

packages/core/src/index.ts

@@ -1,4 +1,5 @@
 import './lib/internal/global-buffer-polyfill';
 
 export * from './lib';
-// Test change to trigger GitHub Action 11
+// trigger major release 2.0.0
+// trigger github action