Add add_handcrafted eval set (Quirke handcrafted)

add_handcrafted/config.json

@@ -0,0 +1,5 @@
+{
+  "type": "handcrafted",
+  "source": "Quirke et al. quanta_maths",
+  "n_examples": 108
+}

add_handcrafted/test.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a9702bd6821f84148c6f7c8b6385beee7639e183f36f6c555ab26ce57d654e7
+size 11660