feat(mem): Add windows commit stats

[n4nn31355]

I'm kinda puzzled if I should avoid calling procGetPerformanceInfo and stick to computing commit stats from memoryStatusEx.ullTotalPageFile and memoryStatusEx.ullAvailPageFile or expose pagefile stats and compute it in final application.

However, I chose this implementation because it is more aligned with the terminology used by Windows Task Manager and Powershell's Get-Counter, both of which refer to "commit" rather than "pagefile."

Closes #1719

[n4nn31355]

@shirou just a gentle reminder
Could you please let me know if this can be merged or if you have any feedback I should address?

[shirou]

I apologize for the delayed response. I've been too busy over the past two months.

I have confirmed that your PR works correctly on my Windows 11. Additionally, I verified that at least commitLimit matches the following PowerShell command. We appreciate your contribution!

$MemCounters = (Get-Counter -ListSet Memory).Paths
Get-Counter -Counter $MemCounters