feat: 增加 aplus provider

src/providers/aplus.coffee

@@ -0,0 +1,27 @@
+BaseProvider = require './base'
+Common       = require '../common'
+
+module.exports =
+class Aplus extends BaseProvider
+  name: 'aplus'
+
+  constructor: (@account) ->
+    script = document.createElement('script')
+    script.type = 'text/javascript'
+    script.id = 'beacon-aplus'
+    script.src = '//g.alicdn.com/alilog/mlog/aplus_v2.js'
+    script.setAttribute('exparams', 'clog=o&aplus&sidx=aplusSidx&ckx=aplusCkx')
+    script.async = true
+    script.defer = true
+
+    # 部署位置原则上在body标签之后, 越靠前越好, 最好是body内第一行
+    body = document.getElementsByTagName('body')[0]
+    body.insertBefore(script, body.firstChild)
+
+  event: (gtaOptions) ->
+    for property, value of gtaOptions
+      gokeys.push "#{property}=#{value}"
+
+    gokey = gokeys.join('-')
+
+    window.goldlog?.record(@account, 'CLK', gokey, 'GET')