add new mariadb configs

[parkervcp]

Description

Adds new run and install config files for mariadb

Checklist for all submissions

• Have you followed the guidelines in our Contributing document?

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

• Have you tested and reviewed your changes with confidence that everything works?

• Did you branch your changes and PR from that branch and not from your master branch?

  • If not, why?:

• You verify that the start command applied does not use a shell script

  • If some script is needed then it is part of a current yolk or a PR to add one

• The egg was exported from the panel

[QuintenQVD0]

You have egg changes to this or are those not needed?

[parkervcp]

You have egg changes to this or are those not needed?

I have egg updates but I want these files in place for use in them

[QuintenQVD0]

LGTM!