[Task][Planning] Convert to an Integrated Repository with NX

[sugarbobo-ch]

To reduce our reliance on Discord for operational tasks, we have decided to introduce a web page that allows authorized users to manage game servers. Therefore, we need to implement a Web Application, and we have chosen React.js + Next.js as the development options to ensure scalability and flexibility for future development.

As a result, in this mission, we will outline the prerequisites for this change and use NX to convert the project into a monorepo.

Monorepo Conversion using NX:

• Use NX to convert the project into a monorepo, allowing for efficient management of multiple related packages and components.