Any idea to manage the constants properly?

[AndrewLawrence80]

As programs grow bigger, it is really annoying to properly manage the constants.
I have searched this article https://semaphoreci.com/blog/constants-layer-javascript. It provides a good manner to manage the constants in JS.
How do you organize the constants?
Currently my idea is to create a separated constant package under the internal package and organize the constants like below:

internal
|--- constant
    |--- api
        |--- api.go
    |--- i18n
        |--- i18n.go
    |--- ...