[Feature] Add ping.low, ping.high to Results

[svenvg93]

Pre-work

• I have searched open and closed feature request to make sure this or similar feature request does not already exist.
• I have reviewed the milestones to ensure that this feature request, or a similar one, has not already been proposed.
• I agree to follow this project's Code of Conduct.

Which part of the application does your feature belong to?

Web UI/UX

Description

Would like to extend the result structure to include:

"ping": {
    "low": 6.255,
    "high": 6.498
},

This allows for more accurate representation of ping variance, which is valuable for jitter analysis and understanding real-world latency fluctuations.