[Feat] Add steps to documentation for developing new devices

### What problem does this feature solve or what does it enhance?

Currently, the documentation is unclear on what devices need to have support for rayhunter.

### Proposed Solution

It would be nice to have some documentation that not only lists how the program generally works on a technical level (ideally a flow chart?), but also lists what requirements client devices need, so that a developer can more easily port the program to new hardware if desired.

### Alternatives Considered

N/A