Make branch shield clickable

README.md

@@ -4,7 +4,7 @@ ESPurna ("spark" in Catalan) is a custom firmware for ESP8285/ESP8266 based smar
 It uses the Arduino Core for ESP8266 framework and a number of 3rd party libraries.
 
 [![version](https://img.shields.io/badge/version-1.12.6a-brightgreen.svg)](CHANGELOG.md)
-![branch](https://img.shields.io/badge/branch-dev-orange.svg)
+[![branch](https://img.shields.io/badge/branch-dev-orange.svg)](https://github.com/xoseperez/espurna/tree/dev/)
 [![travis](https://travis-ci.org/xoseperez/espurna.svg?branch=dev)](https://travis-ci.org/xoseperez/espurna)
 [![codacy](https://img.shields.io/codacy/grade/c9496e25cf07434cba786b462cb15f49/dev.svg)](https://www.codacy.com/app/xoseperez/espurna/dashboard)
 [![license](https://img.shields.io/github/license/xoseperez/espurna.svg)](LICENSE)

pre-commit

@@ -41,7 +41,10 @@ version = "[![version](https://img.shields.io/badge/version-{VERSION}-brightgree
     VERSION = VERSION
 )
 
-branch = "![branch](https://img.shields.io/badge/branch-{BRANCH}-orange.svg)\n".format(
+branch = "[![branch](https://img.shields.io/badge/branch-{BRANCH}-orange.svg)] "
+    "(https://github.com/{USER}/{REPO}/tree/{BRANCH}/)\n".format(
+    USER = USER,
+    REPO = REPO,
     BRANCH = BRANCH
 )