Fujitsu FTR-LY Form A and C relays

Add Fujitsu FTR-LY Form A and C relays.

Datasheet: https://www.fujitsu.com/sg/imagesgig5/ftr-ly.pdf

Footprints: kicad-footprints!3179 (merged)

Uses IEC numbering, so derived from the RAYEX-L90{A,AS} symbols, but any IEC symbol would do. See also !3914 (closed).

• Remove the instructional content of this template
• Provide a URL to a datasheet for the symbol(s) you are contributing
• An example screenshot image is very helpful
• Ensure that the associated footprints match the official footprint library
  • A new fitting footprint must be submitted if the library does not yet contain one.
• If there are matching footprint PRs, provide link(s) as appropriate
• Check the output of the automated check scripts - fix any errors as required
• Give a reason behind any intentional library convention rule violation. (None)