Port 'autoware_ekf_localizer' from Autoware Universe to Autoware Core

[Motsu-san]

Checklist

• I've read the contribution guidelines.
• I've searched other issues and no duplicate issues were found.
• I've agreed with the maintainers that I can plan this task.

Description

As part of Autoware Core implementation activity discussed in this thread, I will be porting autoware_ekf_localizer from Autoware Universe to Autoware Core.

• pr add to core repo feat(autoware_ekf_localizer)!: porting from universe to core #174
• pr to remove package from universe repo feat(autoware_ekf_localizer)!: porting from universe to core autoware.universe#9978

Purpose

Port autoware_ekf_localizer from Autoware Universe to Autoware Core to make autowre-core functional

Possible approaches

Port dependent packages from Universe to Core.

Definition of done

• Refactor Readme file according to migration guidance
• Create draft pr
• Pr merged