fix: commit the fixture packages and log that .gitignore was hiding

fixtures/packages/hale2026harmonic-damb/datasets/ds-hale-bond-params/datapackage.json

@@ -0,0 +1 @@
+{"format":"scienting-dataset/1","id":"ds-hale-bond-params","name":"hale-bond-params","resources":[{"encoding":"utf-8","format":"csv","name":"bond-parameters","origin":{"anchors":"anchors.jsonl","kind":"reported"},"path":"data.csv","schema":{"fields":[{"name":"key","type":"string"},{"name":"bond","type":"string"},{"name":"set","type":"string"},{"name":"k_r","type":"number","unit":"kcal / mol / angstrom ** 2"},{"name":"r_eq","type":"number","uncertainty":{"kind":"unknown"},"unit":"angstrom"}],"primaryKey":"key"}}],"title":"Harmonic bond parameters reported in Table 1"}