refactor(rc channels): Improve readability of RC Channels in Serial Plotter

[Kristabel28]

Minor modifications to the Arduino example codes channels.ino and gps_telemetry.ino

Serial.prints more channels. Not sure if I did it right, but I have set it to Serial.print all the channels, based on the channel count crsfProtocol::RC_CHANNEL_COUNT

Arduino serial plotter compatibility for easier readability

Hope this is useful to you!

(did i do it right?)

[ZZ-Cat]

Yup. Looks good to me. =^/.^=

FYI: My automations on your PR are janking out on me, and I don't know why.
It says "Waiting for status to be reported", but when I check on the actual automations it tells me that it's finished with no tasks.
IIRC, this is something on my end that needs to be figured out in the CI/CD side of things.

For the time being, I'm gonna go ahead and move this PR forward through to the Main-Trunk, 'cause I read your code and it looks all good. To answer your question: You did fine. =^/.~=
Very well done on your first Pull Request.