Add CC0 discovery table for Dataset Viewer

Adds the 350-row gate-cycle descriptive atlas from the frozen metadata component. SHA-256: 2527bfa3faa4fc897f7bd6c2819ae049953c8999912ef4e4e576c9e75923f9ee.

data/gate_cycle_descriptive_atlas.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2527bfa3faa4fc897f7bd6c2819ae049953c8999912ef4e4e576c9e75923f9ee
+size 54036