Add easy_profiler package

[jsjtxietian]

Is your feature request related to a problem? Please describe.

EasyProfiler is a lightweight cross-platform profiler library for C++, which can be used to profile multithreaded graphical applications (https://github.com/yse/easy_profiler)

Describe the solution you'd like

easy_profiler should be in the repo.

Describe alternatives you've considered

N/A

Additional context

I will try to make a pr, but I'm new to xmake so it'll take a bit more time.