games/endgame-singularity: revive and update 1.00

• Pass maintainership per revival

Changes: https://github.com/singularity/singularity/releases/tag/singularity-1.0a1
Changes: https://github.com/singularity/singularity/releases/tag/v1.0a2
Changes: https://github.com/singularity/singularity/releases/tag/v1.0b1
Changes: https://github.com/singularity/singularity/releases/tag/v1.00
PR: 251608
Submitted by: Naram Qashat <cyberbotx@cyberbotx.com>