Add validation set (#2)

- add minictx-valid (dc85831cc05c727a7970f5bd56cda06c90623bb3)
- fix valid/hep.jsonl (929df0160cfa922739021d4e8631a8ec4174d47e)
- Update valid set (9197884095c4427ef2b01fe26359167cc166421e)
- Update README.md to configure splits as subsets, test/valid as splits (1e549de3d7aff5a085e42023eda02d353eac54b4)
- Merge branch 'valid' into pr/2 (85be04e4db53fe30923f7e9fa2a1195c9e102046)

.gitignore

@@ -0,0 +1 @@
+.DS_Store

README.md

@@ -2,22 +2,48 @@
 license: apache-2.0
 
 configs:
-  - config_name: default
+  - config_name: hep
     data_files:
-      - split: hep
-        path: "minictx/hep.jsonl"
-      - split: htpi
-        path: "minictx/htpi.jsonl"
-      - split: mathlib
-        path: "minictx/mathlib.jsonl"
-      - split: pfr
-        path: "minictx/pfr.jsonl"
-      - split: pfr_cross
-        path: "minictx/pfr_cross.jsonl"
-      - split: pnt
-        path: "minictx/pnt.jsonl"
-      - split: scilean
-        path: "minictx/scilean.jsonl"
+      - split: valid
+        path: "minictx-valid/hep.jsonl"
+      - split: test
+        path: "minictx-test/hep.jsonl"
+  - config_name: htpi
+    data_files:
+      - split: valid
+        path: "minictx-valid/htpi.jsonl"
+      - split: test
+        path: "minictx-test/htpi.jsonl"
+  - config_name: mathlib
+    data_files:
+      - split: valid
+        path: "minictx-valid/mathlib.jsonl"
+      - split: test
+        path: "minictx-test/mathlib.jsonl"
+  - config_name: pfr
+    data_files:
+      - split: valid
+        path: "minictx-valid/pfr.jsonl"
+      - split: test
+        path: "minictx-test/pfr.jsonl"
+  - config_name: pfr_cross
+    data_files:
+      - split: valid
+        path: "minictx-valid/pfr_cross.jsonl"
+      - split: test
+        path: "minictx-test/pfr_cross.jsonl"
+  - config_name: pnt
+    data_files:
+      - split: valid
+        path: "minictx-valid/pnt.jsonl"
+      - split: test
+        path: "minictx-test/pnt.jsonl"
+  - config_name: scilean
+    data_files:
+      - split: valid
+        path: "minictx-valid/scilean.jsonl"
+      - split: test
+        path: "minictx-test/scilean.jsonl"
 ---
 
 
@@ -136,4 +162,4 @@ Please cite:
       journal={arXiv preprint arXiv:2408.03350},
       year={2024}
     }
-```
+```