feat add performance metric with performance50 for time and memory tracking

[thegoddo]

Solve the #301 by adding performance50 metrics to result data.

• System level profiling using time.perf_counter() from import time
• memory usage profiling using resource.getrusage(resource.RUSAGE_SELF).ru_maxrss from import resources which returns the memory size used by a child process in UNIX environment.
• Text rendering in terminal and reder.html