Overview
The 259 is a module made by Adafruit Industries with 5 pins.
JLCPCB lists it (part C17648313).
Symbol
The library has no symbol for this part yet.
Footprint
The library has no footprint for this part yet.
Questions
Where is the 259 datasheet?
Adafruit Industries publishes it: the Datasheet link on this page opens it.
Where can I order the 259?
JLCPCB lists it as part C17648313, with 0 in stock; the sellers' links on this page open their listings.