feedback: Mention that 'app.{module,file}' is called after 'roles'.

[TarantoolBot]

Product: Tarantool
Since: 3.0
Root document: https://www.tarantool.io/en/doc/latest/reference/configuration/configuration_reference/#app
SME: @ totktonada

Details

<…>nvironment variable: TT_APP_FILE

app.module¶
Since: 3.0.0.
|A Lua module to load an application from.|
Example
The app section can be placed in any configuration scop<…>

https://www.tarantool.io/en/doc/latest/reference/configuration/configuration_reference/#app

Mention that app.{module,file} is called after roles.