Add support for NanoVNA F V3 for reaching valid data points upto 801

[xros]

Pull Request type

Add new hardware support for NanoVNA F V3

Please check the type of change your PR introduces:

• [] Bugfix
• Feature
• [] Code style update (formatting, renaming)
• [] Refactoring (no functional changes, no API changes)
• [] Build-related changes
• [] Documentation content changes
• Other (please describe): Add support for NanoVNA F V3 from Sysjoint which can show data points upto 801 (101 by default)

What is the current behavior?

• NanoVNA saver can not show data points more than 101 on NanoVNA F V3
• SN number not showing up
  Issue Number: 711

What is the new behavior?

• Increased the sweeping data points upto 801
• Able to show correct SN number for NanoVNA F V3

Does this introduce a breaking change?

• Yes
• No

Other information

Discussion(issue) had been open from here: #711

[zarath]

Thanks for your contribution.