FlekDeck 0.1.0

Let the title taps flip the beta warning and keep its toggle in reach

Ten quick taps on the Personalization title only ever turned the warning
off. Turning it back on meant a run of 100 taps with no pause longer than
0.6s, which is hard to land, and on a device that isn't on a beta that
run was the only way in. The 10th tap now flips the warning instead, and
the 100th still turns it on outright.

The toggle was offered on a beta, or once a 100-tap run had set its flag.
That left the state the flip lands in — warning up, no switch to put it
down — along with any device carrying a forced-on value stored before the
toggle existed. It is now offered wherever the warning is up, and turning
the warning on by taps sets the flag as well, so the switch stays put
instead of disappearing the moment it is used.