build: Add semantic-release

Author: Andrey Okonetchnikov

.gitignore

@@ -23,3 +23,4 @@ build/Release
 # Deployed apps should consider commenting this line out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
 node_modules
+Changelog.md

.travis.yml

@@ -4,3 +4,9 @@ cache:
     - node_modules
 node_js:
   - 9
+after_success:
+  - npm install -g semantic-release
+  - semantic-release
+branches:
+  except:
+    - /^v\d+\.\d+\.\d+$/

README.md

@@ -1,5 +1,6 @@
 # ejs-loader for webpack
 
+[![npm](https://img.shields.io/npm/v/ejs-loader.svg)](https://www.npmjs.com/package/ejs-loader)
 [![Build Status](https://travis-ci.org/okonet/ejs-loader.svg)](https://travis-ci.org/okonet/ejs-loader)
 
 EJS (Underscore/LoDash Templates) loader for [webpack](http://webpack.github.io/). Uses [lodash template](http://lodash.com/docs#template) function to compile templates.