Update Documentation For New Septentrio-Specific Driver

[flyingthingsintothings]

As the Septentrio driver has moved from the PX4 GPS drivers repository into the main codebase and received new parameters and features, the documentation needs to be updated to reflect them. I checked the changes with yarn start and everything looks normal. There is one missing link (see bot reply below) which is just a future link that will point to the new parameters once they are available in the documentation, as that will automatically happen from what I understand.

[hamishwillee]

Thanks @flyingthingsintothings this is good thanks. I have subedited it for style - in particular for your note:

1. I break lines on sentences rather than line length. Makes translation easier. Also use prettier for formatting.
2. I link parameters - makes it easy to check removed components in future. IN general using linking is a "good thing".

[github-actions[bot]]

No flaws found

[flyingthingsintothings]

@hamishwillee I didn't find in the contribution guidelines that Prettier was used for formatting. That could maybe be added. Thank you for the edits. I always use max line length but like you say, splitting on sentences does make more sense.

[hamishwillee]

@flyingthingsintothings I guess it is a bit unreasonable for you to guess the requirements :-). Thanks for the timely reminder!

I have made an update in https://github.com/PX4/PX4-user_guide/pull/3261