feat(changlog): add changelog

.gitignore

@@ -0,0 +1,3 @@
+.DS_Store
+node_modules/
+npm-debug.log

.npmignore

@@ -0,0 +1,3 @@
+.travis.yml
+gulpfile.coffee
+gulpfile.js

gulpfile.coffee

@@ -0,0 +1,17 @@
+CHANGELOG_FILE        = 'CHANGELOG.md'
+
+conventionalChangelog = require 'conventional-changelog'
+fs                    = require 'fs'
+gulp                  = require 'gulp'
+gutil                 = require 'gulp-util'
+pkg                   = require './package.json'
+
+gulp.task 'changelog', ->
+	options =
+		repository: pkg.repository.url
+		version: pkg.version
+		file: CHANGELOG_FILE
+		log: gutil.log
+
+	conventionalChangelog options, (err, log) ->
+		fs.writeFile CHANGELOG_FILE, log

gulpfile.js

@@ -0,0 +1,5 @@
+// This file is a bridge between JavaScript and CoffeeScript
+
+require('coffee-script').register();
+
+module.exports = require('./gulpfile.coffee');

package.json

@@ -21,7 +21,7 @@
 	},
 	"dependencies": {
 		"chalk": "~0.4.0",
-		"coffee-script": "~1.7.1",
+		"coffee-script": "~1.7.1"
 	},
 	"devDependencies": {
 		"conventional-changelog": "~0.0.9",