Bump version and add CHANGELOG.md

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.0.0] - 2021-06-15
+
+### Removed
+
+- `SealService`
+
 ## [1.0.2] - 2021-06-07
 
 ### Added

package.json

 {
   "name": "@vereign/light-utils",
-  "version": "1.0.1",
+  "version": "2.0.0",
   "license": "MIT",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",