Update version and changelog

CHANGELOG.md

@@ -10,6 +10,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add support for starting/stopping a timer
 - Show hours as HH:MM or decimal in the Bubble, depending on setting in MOCO
 
+## [1.3.0-alpha] - 2019-09-28
+
+### Changed
+
+- Start a new timer or stop a running timer
+
 ## [1.2.4] - 2019-09-20
 
 ### Changed

package.json

@@ -1,7 +1,7 @@
 {
   "name": "moco-browser-extensions",
   "description": "Browser plugin for MOCO",
-  "version": "1.2.4",
+  "version": "1.3.0",
   "license": "MIT",
   "scripts": {
     "start": "yarn start:chrome",