Update changelog und pump version

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](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.5.1] - 2020-08-04
+
+### Added
+
+- Add support for Monday
+
 ## [1.5.0] - 2020-06-15
 
 ### Added

package.json

@@ -1,7 +1,7 @@
 {
   "name": "moco-browser-extensions",
   "description": "Browser plugin for MOCO",
-  "version": "1.5.0",
+  "version": "1.5.1",
   "license": "MIT",
   "scripts": {
     "start": "yarn start:chrome",