add documentation

Author: liumiaowilson

doc/script-apex/.gitignore

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+.deploy
+.publish
+.temp
+dist
+node_modules
+temp

doc/script-apex/README.md

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+# R.apex
+
+[![Built with Electric](https://img.shields.io/badge/built%20with-electric-f3c302.svg?style=flat)](http://electricjs.com)
+
+## Setup
+
+1. Make sure you have [node and npm](https://nodejs.org/en/download/) installed:
+
+```sh
+node -v && npm -v
+```
+
+2. Install our global dependencies:
+
+```sh
+[sudo] npm i -g electric-cli
+```
+
+3. Install our local dependencies:
+
+```sh
+npm i
+```
+
+## Usage
+
+* Build the site, serve it locally, and watch for any changes:
+
+```
+electric run
+```
+
+* Deploy to production (send build files to `wedeploy` branch):
+
+```
+electric deploy
+```

doc/script-apex/electric.config.js

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+'use strict';
+
+var marble = require('marble');
+
+module.exports = {
+    basePath: '/script-apex',
+	metalComponents: ['electric-marble-components', 'marble-topbar'],
+	sassOptions: {
+		includePaths: ['node_modules', marble.src]
+	},
+	vendorSrc: ['node_modules/marble/build/fonts/**']
+};