[ter] added change log

Author: Ruslan Tereshchenko

CHANGELOG.md

@@ -0,0 +1,33 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Integrated code linter ([ESLint](https://eslint.org/))
+- Integrated doc generator ([ESDoc](https://esdoc.org/))
+- Generated and deployed [API Reference](https://signnow.github.io/SignNowNodeSDK/) for API Client
+- Documented *user* and *oauth2* methods
+- Created [Applet](https://github.com/signnow/SignNowNodeSDK/blob/master/samples/applets/create-user.js) for testing *Create User* method
+- Created [Applet](https://github.com/signnow/SignNowNodeSDK/blob/master/samples/applets/get-access-token.js) for testing *Request Token* method
+- Added [Change Log](https://github.com/signnow/SignNowNodeSDK/blob/master/CHANGELOG.md)
+- Added [License](https://github.com/signnow/SignNowNodeSDK/blob/master/LICENSE.md)
+
+### Changed
+
+- Updated examples, links and contact information in [README](https://github.com/signnow/SignNowNodeSDK/blob/master/README.md)
+- Created and applied common request options builder
+- Created and applied common response handler builder
+- Created and applied common error handler builder
+
+### Fixed
+
+- made fix of feature bug related to `Content-Length` header in requests
+
+[Unreleased]: https://github.com/signnow/SignNowNodeSDK/compare/v1.1.4...HEAD
+[1.1.4]: https://github.com/signnow/SignNowNodeSDK/releases/tag/v1.1.4