YAML configs update (20 configs)

README.md

@@ -106,6 +106,12 @@ configs:
         path: data/cs_cz/test-*.parquet
       - split: train
         path: data/cs_cz/train-*.parquet
+  - config_name: de_at
+    data_files:
+      - split: test
+        path: data/de_at/test-*.parquet
+      - split: train
+        path: data/de_at/train-*.parquet
   - config_name: el_cy
     data_files:
       - split: test