No TLS by default

[p4vook]

There is no possibility for JJS administrators to enable TLS in one-click way. They need to install & configure nginx.

[MikailBag]

Fixed in #288

[p4vook]

@MikailBag Any documentation on how to use that?

[MikailBag]

@pavel-the-best Unfortunately, we do not have beautiful frontend config docs.
However, JJS distribution contains JSON schema: see $JJS_PATH/share/schema/frontend-config.json