Add Key Digits and On the Run riddles

[adkron]

[bokner]

https://github.com/bokner/puzzles_cp/tree/main/rd_riddles

Answer to Key Digits:

4 9 2 7 1 6 5

Answer to On The Run:

Age: Kona, Isla, Stella, John
Start: John, Kona, Stella, Isla
Finish: Isla, Kona, John, Stella