env and nproc command integration

[RanXom]

This issue tracks the implementation of two additional Linux core utilities within Winix:

• env – Displays the current environment variables, similar to the GNU env command.
• nproc – Outputs the number of available processing units, consistent with the GNU nproc command.

Tasks

• Implement env command integration.
• Implement nproc command integration.
• Write tests to verify correct behavior.
• Integrate env and nproc into the TUI.
• Update documentation accordingly.

Parent Issue
Child of: [Create more commands from the Linux core library](#9)

[RanXom]

@0xsambit I've created the issue as you told to me. I am proceeding to work on the commands mentioned in this issue.

[0xsambit]

@RanXom I have just pushed some code. Please take a git pull

[RanXom]

@0xsambit Thanks for the update. I had already pulled the changes as soon as i saw this message of yours in the morning. PS: I wasn't able to assign a parent issue to this issue, neither was I able to create the sub issue from the parent issue, I hope you can help with that.

[RanXom]

Hi @0xsambit, I’ve opened a PR #67 that addresses this issue. When you get the chance, could you please take a look?
Thanks!