ScaFFold status

[pearce8]

PR #687 and #1031

Components

1. Source code, Build system: Choose one: Pip
2. Source code released
3. Spack package.py - [WIP] ScaFFold Install via Spack #1031
4. Ramble application.py
5. Benchpark experiment.py
6. +cuda experiment.py
7. +rocm experiment.py
8. Benchmark dependencies: List here
9. small test size problem for CI
10. Scaling (Strong, Weak)
11. Large scale problem size defined
12. CI running on CPUs/CDash
13. CI running on NVIDIA GPUs/CDash
14. CI running on AMD GPUs/CDash
15. +single_memory experiment.py
16. +caliper experiment.py
17. CPU-only performance analysis
18. CUDA performance analysis
19. ROCm performance analysis
20. Documentation (build, run instructions, performance demo)