add `withJoins` to `joinByArrayReverse` and `joinByOneReverse` pages

[plantainrain]

withJoins is missing from the options table.

I think it would be useful to have the information about dot notation everywhere withJoins is mentioned

[boutell]

@mtthwmnc I think you said that when you actually tried it, it worked, correct?

[boutell]

(Important to know when documenting heh)