BREAKING CHANGE(Smartjson): Require TC39 Stage 3 decorators for @foldDec (use accessor), switch foldDec to initializer-based implementation, improve buffer encode/decode handling, bump dependencies and update docs/tests.

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartjson',
-  version: '5.2.0',
+  version: '6.0.0',
   description: 'A library for handling typed JSON data, providing functionalities for parsing, stringifying, and working with JSON objects, including support for encoding and decoding buffers.'
 }