Server Profiler

Send an e-mail when the process ends.

The format of the e-mail:

The command name is [ls]
The start time is 2025-12-1 22:44:19
The end time is 2025-12-1 22:44:19

How to use?

1. Remove TEST in macro_test.go and change the necessary information.
2. Run go build.
3. Run like ./profiler <command>, such as ./profiler python train.py.