Update Readme to index Lij datasets

Updated readme to have SmolSent and SmolDoc lij in dataset viewer

README.md

@@ -270,6 +270,10 @@ configs:
     data_files:
       - split: train
         path: smolsent/en_yue.jsonl
+  - config_name: smolsent__en_lij
+    data_files:
+      - split: train
+        path: smolsent/en_lij.jsonl
   - config_name: smolsent__en_lus
     data_files:
       - split: train
@@ -578,6 +582,10 @@ configs:
     data_files:
       - split: train
         path: smoldoc/en_kr.jsonl
+  - config_name: smoldoc__en_lij
+    data_files:
+      - split: train
+        path: smoldoc/en_lij.jsonl
   - config_name: smoldoc__en_lu
     data_files:
       - split: train