docs todo tracking

[0xpr03]

List of things to fix in the docs

• platform in immediate mode

• Note that for recusive watched

• If tick_rate is None, notify will select a tick rate that is less than the provided timeout.

• notify-debouncer-mini = "0.2.0"

• readme.md for the examples/ folder, looking at the traffic insights
• maybe make it clear that the Config is not consumed by all backends #444 (code comments)
• document WSL2 problems as known problem
• add notice about https://man7.org/linux/man-pages/man7/inotify.7.html

  The inotify API does not report file accesses and modifications that may occur because of mmap(2), msync(2), and munmap(2).

• document stuff in #412