Psutils-golang

[RawanMostafa08]

issue link: codescalersinternships/home#300
This PR implements a Human-friendly lib for querying processes, memory info and cpu info
It contains:

1. CPU Information (cpuinfo)

• Number of Cores: Detect and return the total number of CPU cores.
• Vendor
• Mdoel name
• Cache Size
• CPU MHZ

2. Memory Information (meminfo)

• Total Memory
• Retrieve the total physical memory available.
• Used Memory
• Determine the amount of memory currently in use.
• Available Memory
• Fetch the amount of memory available for use.

3. Process Information (/proc Filesystem)

• List Processes
• Retrieve a list of all running processes by reading from the /proc filesystem.
• Basic information: PID, process name.
• Process Details: everything that's relevant