Added an example spec for a metajob to be submitted to AMSc metascheduler.

Meta:

    jobid: auto

    jobname: "somejobname"

    classad:

        - arch: "nvidia"/"intel"/"amd"

        - site: "Perlmutter"/"Frontier"/"Aurora"

        - memspec: "128M"

        - softenv: "python@3.13, gcc@12.5, condaforge@any"

        - diskspace: "10G"

        - requirement: "site=='Aurora' || diskspace > '5G'"

    data:

       - source: $HOME/my/data.tgz

       - dest: $HPSS/my/projpath

       - transfertech: "Globus"/"rsync"

payload:

       " #SBATCH ...

         #SBATCH ...

         module load condaforge

         srun pylearn --params=1000 --steps=1000

       "