Chatroom: Add mariadb

[fhelfer]

mariadb

This PR adds mariadb as NPM dependency for the chatroom.

General Information:

• this dependency was already used in ILIAS.
• License: MIT

Usages:

• components/ILIAS/Chatroom/chat/Persistence/Database.js

Wrapped By:

• Database (see: components/ILIAS/Chatroom/chat/Persistence/Database.js)

Reasoning:

This dependency replaces the previously used mysql2 driver and has already been included with ILAIS 11.
mariadb is a modern, actively maintained Node.js driver for MariaDB servers and is fully compatible with MariaDB server features.
The driver is used in the chatroom backend to communicate with the database

Maintenance:

mariadb is actively maintained and regularly updated.
The package receives security and compatibility updates in line with current Node.js versions.
(The latest version is from 23.07.2025.)

Links:

• NPM: https://www.npmjs.com/package/mariadb
• GitHub: https://github.com/mariadb-corporation/mariadb-connector-nodejs
• Documentation: https://mariadb.com/kb/en/mariadb-connector-nodejs/

[matthiaskunkel]

Jour Fixe, 08 DEC 2025: Dependency is accepted for ILIAS 12.

[lscharmer]

Merged with PR: #11262