feat(tier4_map_msgs): add LocalCartesian const

[sebekx]

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Description

Add LocalCartesian const to MapProjectionInfo to extend autoware_geography_utils with LocalCartesian (WGS84) projection

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[yukkysaito]

@sebekx Thank you for the PR. Since this is synchronized with the README, could you also add an explanation for the coordinates being added to the README?
https://github.com/autowarefoundation/autoware.universe/blob/main/map/autoware_map_projection_loader/README.md

[mitsudome-r]

Could you recreate the PR on autoware_msgs?
As @TaikiYamada4 mentioned in this comment, we have migrated this to autoware_msgs as part of porting to Core.

[sebekx]

Could you recreate the PR on autoware_msgs? As @TaikiYamada4 mentioned in this comment, we have migrated this to autoware_msgs as part of porting to Core.

created pr on autoware_msgs