Replace YAML keys from int to str

Replace YAML metadata integer keys with strings, as the Hub does not support integers.
See: https://github.com/huggingface/datasets/issues/5275

README.md

@@ -19,11 +19,34 @@ task_ids:
 - intent-classification
 paperswithcode_id: snips
 pretty_name: SNIPS Natural Language Understanding benchmark
+dataset_info:
+  features:
+  - name: text
+    dtype: string
+  - name: label
+    dtype:
+      class_label:
+        names:
+          '0': ComparePlaces
+          '1': RequestRide
+          '2': GetWeather
+          '3': SearchPlace
+          '4': GetPlaceDetails
+          '5': ShareCurrentLocation
+          '6': GetTrafficInformation
+          '7': BookRestaurant
+          '8': GetDirections
+          '9': ShareETA
+  splits:
+  - name: train
+    num_bytes: 19431
+    num_examples: 328
+  download_size: 9130264
+  dataset_size: 19431
 train-eval-index:
 - config: default
   task: text-classification
   task_id: multi_class_classification
-  splits: null
   train_split: train
   col_mapping:
     text: text
@@ -67,30 +90,6 @@ train-eval-index:
     name: Recall weighted
     args:
       average: weighted
-dataset_info:
-  features:
-  - name: text
-    dtype: string
-  - name: label
-    dtype:
-      class_label:
-        names:
-          0: ComparePlaces
-          1: RequestRide
-          2: GetWeather
-          3: SearchPlace
-          4: GetPlaceDetails
-          5: ShareCurrentLocation
-          6: GetTrafficInformation
-          7: BookRestaurant
-          8: GetDirections
-          9: ShareETA
-  splits:
-  - name: train
-    num_bytes: 19431
-    num_examples: 328
-  download_size: 9130264
-  dataset_size: 19431
 ---
 
 # Dataset Card for Snips Built In Intents