docs(readme): update v2

Author: sambacha

README.md

@@ -20,6 +20,24 @@ pegis-solidity
 > [consensys/solidity-parser](https://github.com/ConsenSys/solidity-parser) with
 > additional project specific grammar rules
 
+- Main change is adoption of `peggy` as the `peg.js` framework has been stagnant, this is a drop in replacement.
+
+#### TODO
+- Typescript support in next release via `ts-peggy`
+- Documentation update
+
+## Reference for Changes
+
+>  v2 changes start here: 18 August 2021
+
+- feat(refactor): migrate to peggy and various improvements
+  [`87b594a`](https://github.com/sambacha/solidity-pegjs-parser/commit/87b594ad21e1221b5e3574ac8f69b5751a9ce4be)
+- build(refactor): improve build process
+  [`0de7a77`](https://github.com/sambacha/solidity-pegjs-parser/commit/0de7a774bf2edd51b03a865e435b30a02feb5313)
+- chore(repo): remove dead and legacy artifacts
+  [`012fec1`](https://github.com/sambacha/solidity-pegjs-parser/commit/012fec1b5000017a6125c38580d76a3299f597cc)
+
+
 ### Usage
 
 ```js