Update changelog (#83)

Update changelog

Author: ehmicky

CHANGELOG.md

@@ -7,6 +7,59 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v3.0.0](https://github.com/netlify/js-client/compare/v2.4.8...v3.0.0) - 2019-11-26
+
+Thanks a lot to:
+
+- @polemius for his help with tests
+- @ramigs for fixing the `README`
+
+### Features
+
+- Add `accessToken` option (#70)
+- Improved error messages and stack traces (#67)
+
+### Bug fixes
+
+- Fix `body` functions not working with JSON payloads (#67)
+- Fix `body` binary payloads not working when not wrapped in functions (#67)
+- Allow methods to be retrieved via destructuring like `const {getCurrentUser} = api` (#67)
+- Fix rate limiting-related bug (#69)
+
+### Cross-platform
+
+- Make development tasks work on Windows (#62)
+- Improve CI tests: we now run tests on Node 8/13, Linux/macOS/Windows (#62, #79)
+- Improve browser support (#67)
+- Fix the currently supported Node.js version (#78)
+
+### Tests
+
+- Add 100% test coverage on everything except the deploy logic (#68, #71, #72)
+- Improve tests configuration (#58, #61)
+- Add Codecov test coverage (#76, #78)
+- Use GitHub actions (#78)
+- Add Husky pre-push hook (#78)
+
+### Documentation
+
+- Fix variable name consistency in the `README` (#73)
+- Improve `README` (#82)
+
+### Dependencies
+
+- Upgrade most dependencies (#78)
+- Remove unused dependencies (#57, #78)
+
+### Refactoring
+
+- Fix linting and prettifying (#59, #60)
+- Remove `.vscode` folder (#63)
+- Reorder `package.json` (#64, #81)
+- Split big files into smaller files (#67)
+- General code refactoring (#65, #66)
+- Reduce npm package size (#80)
+
 ## [v2.4.8](https://github.com/netlify/js-client/compare/v2.4.7...v2.4.8) - 2019-07-24
 
 ### Merged