Add OpenResty Manager to Control Panels section

[Safe3]

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The most simple, powerful and beautiful host management panel, an open source alternative to OpenResty Edge, allows you to easily secure reverse proxy websites running at home or on the Internet, including access control, denial of service attack protection, automatic application and renewal of free SSL certificates, without having to know too much about OpenResty or Let's Encrypt. And it supports host management, including easy-to-use web terminals and file management, as well as Docker Composer based application store, greatly reducing the difficulty of website building and container management.

[Technetium1]

This is 3 months old, so likely needs to mature more before addition. Would like to hear from some users ideally.

There was a newline accidentally added in the reordering commit.