Enable support for Snappy compression (as implemented in app-arch/snappy)

Packages describing “snappy” as local USE flag

Package “snappy” Flag Description
app-misc/carbon-c-relay add support for Snappy compressed transport
app-forensics/volatility3 support AVMLs native compression format
media-video/ffmpeg Enable app-arch/snappy support. Required for e.g. Vidvox Hap encoder.

All packages providing a “snappy” USE flag (8)