[Ohrrpgce] wip r14205: Add a dockerfile and script for a 64 bit linux build environment

[cron at rpg.hamsterrepublic.com]

https://github.com/ohrrpgce/ohrrpgce/commit/0d56cb610f0441c4cb9ded19aa8fae7750e66613
Author: james <james at 7d344553-34f0-0310-a9b1-970ce8f1c3a2>
Date:   Thu Jan 8 02:03:06 2026 +0000

    Add a dockerfile and script for a 64 bit linux build environment
    

 docker/ohrrpgce-build-env-linux-x86/Dockerfile    |   2 +-
 docker/ohrrpgce-build-env-linux-x86_64/Dockerfile |  60 +++++++++++++
 docker/ohrrpgce-build-env-linux-x86_64/lin64.sh   | 102 ++++++++++++++++++++++
 3 files changed, 163 insertions(+), 1 deletion(-)