Create machine configuration / task for running solvers on Myriad

[matt-graham]

UCL's Myriad HPC cluster seems a reasonable first target for a remote system to try to run NESO simulations on via FabSIM. Myriad is specifically targetted at single node / multi-threaded jobs but we with 36 cores per nodes should still be reasonable for testing out running with MPI. Myriad also a smaller set of nodes with various NVIDIA GPUs so could also potentially be used to test running on heterogeneous environments with hipSYCL / AdaptiveCpp. Another options would be Kathleen cluster which supports multi-node jobs.

• Get NESO building on Myriad - ideally using Spack but could also try to manually build - notes here may be useful
• Create template job submission script for Grid Engine scheduler