Fixed execution-apis spec version to specific commit + added API Reference docs to README (#222)

* Added API Reference docs to README

* Fixed execution-apis spec version to specific commit

Author: shanejonas

README.md

@@ -1,6 +1,7 @@
 # MetaMask API Specs
 
 API Playground: https://metamask.github.io/api-playground/api-documentation
+API Reference Docs: https://docs.metamask.io/wallet/reference/json-rpc-api/
 
 Latest build: https://metamask.github.io/api-specs/latest/openrpc.json
 

merge-openrpc.js

@@ -6,7 +6,7 @@ const yaml = require("js-yaml");
 const MetaMaskOpenRPC = yaml.load(fs.readFileSync(__dirname + "/openrpc.yaml", "utf8"));
 
 const getFilteredExecutionAPIs = () => {
-  return fetch("https://raw.githubusercontent.com/ethereum/execution-apis/assembled-spec/refs-openrpc.json")
+  return fetch("https://raw.githubusercontent.com/ethereum/execution-apis/59e6a6f9947859e8bb41bc63b248aa026b0781bd/refs-openrpc.json")
     .then(async (res) => {
       return filterExecutionAPIs(await res.json());
     });