data: publish the 150-clip curated library v8.0 was trained on

The repo previously carried a 41-clip library that could NOT reproduce the shipped model. This is the exact training source.

motion-library-v2.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d226cf95c305578b2a9cc947d1e6043de0962aa7399f6f47565f3c7690549722
-size 9947950
+oid sha256:5fb32ef9c0b20880091b180107082f50fb979bd84c1a01b14891d1f600f080df
+size 33573236