chore: Update Readme badges (#221)

* Update README.md

* Update README.md

Author: operagxsasha

README.md

@@ -1,6 +1,7 @@
 # Binaryen.ml
 
-![Binaryen.ml CI Workflow](https://github.com/grain-lang/binaryen.ml/workflows/Binaryen.ml%20CI%20Workflow/badge.svg)
+[![Opam](https://github.com/grain-lang/binaryen.ml/actions/workflows/opam.yml/badge.svg)](https://github.com/grain-lang/binaryen.ml/actions/workflows/opam.yml)
+[![Esy](https://github.com/grain-lang/binaryen.ml/actions/workflows/esy.yml/badge.svg)](https://github.com/grain-lang/binaryen.ml/actions/workflows/esy.yml)
 
 OCaml bindings for [Binaryen](https://github.com/WebAssembly/binaryen).