Add comparison to benchmarks

[Brett-Parker]

Is your feature request related to a problem? Please describe.
#320 - Is the PR for basic project structure

Describe the solution you'd like
We need to find a solution for comparing benchmark results post development.

Additional context
Solutions could be;

https://github.com/dotnet/performance/tree/master/src/tools/ResultsComparer#sample-results

https://github.com/dotnet/performance/blob/master/src/benchmarks/real-world/JitBench/README.md

[Brett-Parker]

https://github.com/marketplace/actions/continuous-benchmark-net

Support added for Benchmark.NET