Mark A6000 sim-collection guide as ARCHIVED (glibc 2.31 vs 2.35 incompat); point readers to current data + training plan

README: fix pkg names — cuRobo install is `nvidia-curobo`, IsaacSim must be pip 5.1 (not Omniverse Launcher 5.0.0-rc)

README: clarify target machine is separate from DP3 training A6000

Initial: 3 tarballs (episodes_g 1.2GB + USDs 489MB + collected 266MB) + RESUME orchestrator + README