[Config] Document 'process' configuration settings

[andreyaksenov]

Related doc. issue(s): #4079

Product: Tarantool
Since: 3.0
Root document:

• A new process section in the Configuration reference.

SME: @ Totktonada

Details

Options:

• https://github.com/tarantool/tarantool/blob/f58bfc97c627f1838696697339fb3e443c05767a/src/box/lua/config/instance_config.lua#L640

Related topics:

• https://www.tarantool.io/en/doc/latest/reference/configuration/

[p7nov]

process.* options are added into the config reference with basic (draft) descriptions in scope of #4079 (PR #4169)

[lenkis]

Closed with d27cd01