Improved performance benchmark

[rafaelsc]

• Add many new benchmarks
  • with many calls, with many classes
  • Singleton, Transient, Scoped, Mixed, Complex with simple and deep dependences
• Add all benchmark results to 'docs/benchmark'
• Update Readme benchmark results.

Some new benchmarks show that MEDI is still faster than jab in some cases.

[pakrym]

Hi @rafaelsc, thank you for your work. I'm a bit swamped by work so it might take me a bit to get through these benchmarks.