docs: add the nineteenth member to the family

street-fighter-alpha-2-nochip joins as a tool: Street Fighter Alpha 2
with its decompression chip designed out. The membership table sits in
the shared part of the standard, so the row lands in every member at
once and the shared part still hashes alike everywhere.

Author: gufranco

FAMILY.md

@@ -29,6 +29,7 @@ round to.
 | [snes-rom-image-python](https://github.com/gufranco/snes-rom-image-python) | The forms a cartridge image is stored and shipped in | Format |
 | [snes-driver-python](https://github.com/gufranco/snes-driver-python) | What a cartridge says to its coprocessor, read out of the cartridge's own code | Tool |
 | [star-ocean-nochip-fix](https://github.com/gufranco/star-ocean-nochip-fix) | A header correction for two rebuilt images | Tool |
+| [street-fighter-alpha-2-nochip](https://github.com/gufranco/street-fighter-alpha-2-nochip) | Street Fighter Alpha 2 with its decompression chip designed out | Tool |
 
 The kind decides which parts of this file apply. A clocked part answers to all of
 it. A part, a board, a format or a tool skips the section about a clock and keeps