Add license and other meta data (#1)

- Add license and other meta data (33a0077eef8c8a4cbb24c86f0c64207a070ccbad)

README.md

@@ -21,16 +21,21 @@ dataset_info:
           '2': segments
   splits:
   - name: train
-    num_bytes: 72555221.0
+    num_bytes: 72555221
     num_examples: 480
   - name: validation
-    num_bytes: 9101017.0
+    num_bytes: 9101017
     num_examples: 60
   - name: test
-    num_bytes: 8757044.0
+    num_bytes: 8757044
     num_examples: 60
   download_size: 90174728
-  dataset_size: 90413282.0
+  dataset_size: 90413282
+license: gpl-3.0
+task_categories:
+- image-to-image
+size_categories:
+- n<1K
 ---
 # Dataset Card for "road-detection"