Adding a new mantainer

[cosmo0920]

(check apply)

• [x] read the contribution guideline

Is your feature request related to a problem? Please describe.

I'm proposing to add a new maintainer.

Describe the solution you'd like My colleague @kenhys is also workable on this repository.

Describe alternatives you've considered

Additional context Sometimes I'm struggled to maintain this repository alone.

Could you handle to add @kenhys as a new maintainer, @gihad?

[cosmo0920]

@gihad Bump.

@kenhys is the main creator of out_elasticsearch_data_stream plugin. His work is exceptional great for writing plugin, testing, and documentations. Do you have a chance to add @kenhys as new maintainer?

[cosmo0920]

I'd sent a email into Gibad for adding a new maintainer request.

[kenhys]

I've received an invitation, thanks!

[cosmo0920]

Done!