Update config & Add dnt's option

Update config

• Add more tracker.
• Change the BitTorrent's config. (Best For The Server that not in China mainland area)

DNT

• Add dnt's option and add dnt.dat.(Benifit for magnet's link)

Tips

• If you want use aria2 in your PC, but you don't have the Public IP.Set the bt-external-ip in the aria2.conf(/etc/aria2/aria2.conf).
• Thanks the aria2's config in aria2.conf

Update Readme.md, Fix Bugs

• Update Readme.md

更新Readme.md文档

• Fix bugs: Fix The aria2.sh's Error that aria2c's Path Missing.

修复bugs：修复aria2.sh脚本内的aria2c地址不存在问题

Use The Jsdelivr CDN

• Use The Jsdelivr CDN

使用Jsdelivr CDN（加速国内访问）

Support ARM Architecture

• Support ARM Architecture

适配ARM架构

• Use The Precompiled Version Of Aria2

使用预编译版本Aria2