增加对 AWS Lambda 和 CloudFront 的支持

[zzc-tongji]

如题。

[zzc-tongji]

目前还不能 clone，正在尝试修复。

> git clone https://<host>/https://github.com/github/docs
Cloning into 'docs'...
remote: Please upgrade your git client.
remote: GitHub.com no longer supports git over dumb-http: https://github.com/blog/809-git-dumb-http-transport-to-be-turned-off-in-90-days
fatal: unable to access 'https://<host>/https://github.com/github/docs/': The requested URL returned error: 403

[zzc-tongji]

测试了一下基本可用。

1. 由于 AWS 的限制，单文件大小不能超过50K。

2. 目前还不能 clone，正在尝试修复。

> git clone https://<domain>/https://github.com/github/docs
Cloning into 'docs'...
error: RPC failed; HTTP 503 curl 22 The requested URL returned error: 503
fatal: expected flush after ref listing