LED_SMD: add LiteOn LTST-C295K series
Continuation of https://github.com/KiCad/kicad-footprints/pull/2132 now that we're all using modern files...
Datasheet: http://optoelectronics.liteon.com/upload/download/DS22-2009-0072/LTST-C295KGKRKT.PDF
Violating F5.1 seems in line with guidelines 2a, I used .1mm silk as I feel 0603 sized led counts as "compact" but I'm happy to change it if it's a problem.