Add release checksums for opusfile 0.1 and 0.2.

Add checksums for the first two source releases for completeness.
These are copied from and verified against downloads.xiph.org.
3 jobs for master in 54 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Build
passed autotools #11751
docker

00:00:54

passed doc #11753
docker

00:00:17

passed makefile #11752
docker

00:00:19