fuxa 导入自定义的svg图标

需求：fuxa导入自定义的svg图标
步骤：
创建文件夹，然后导入自己得svg图标，这样页面就能显示对应得svg图标了。建议在无痕模式下调试，不用清空缓存哈

在项目中readme有介绍，就是嵌入有点深，得好好翻一番

**How to use** The widgets will be displayed in the editor panel and can be used from there directly, or download the SVG from here make your edits and follow the steps:

1. Select desired SVG image 2. Click download Icon 3. Import SVG in Fuxa project using embedded Image Import

**How to contribute**

1. Fork the Project 2. In your Fork enter FUXA/server/_widgets/(what type your SVG is, control, indicator, dynamicSVG) 3. Add File Arrow, Upload file 4. Select your SVG and name the commit 5. Commit the changes 6. Go back to FUXA main page in your Fork 7. Click Contribute 8. Open a Pull Request

Please Include a description in the How to Use section of the SVG file, how your SVG control/indicator/dynamicSVG works and how to use it in Fuxa For more details on building SVG widgets and using them please see the Wiki https://github.com/frangoteam/FUXA/wiki/HowTo-Widgets