Fix OPUS URL and metadata in dataset card (#2)

- Fix OPUS download URL and metadata (b499fe895d624204e8097757e5e87573b04137c5)

README.md

@@ -7,8 +7,7 @@ language:
 - en
 - ku
 - tr
-license:
-- unknown
+license: cc-by-sa-4.0
 multilinguality:
 - translation
 size_categories:
@@ -120,11 +119,12 @@ configs:
 
 ## Dataset Description
 
-- **Homepage:** [Bianet](http://opus.nlpl.eu/Bianet.php)
-- **Repository:**
-- **Paper:** [Ataman, D. (2018) Bianet: A Parallel News Corpus in Turkish, Kurdish and English. In Proceedings of the LREC 2018 Workshop MLP-Moment. pp. 14-17. pdf](http://lrec-conf.org/workshops/lrec2018/W19/pdf/6_W19.pdf)
-- **Leaderboard:**
-- **Point of Contact:**
+- **Homepage:** https://opus.nlpl.eu/Bianet/corpus/version/Bianet
+- **Repository:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+- **Paper:** http://lrec-conf.org/workshops/lrec2018/W19/summaries/6_W19.html
+- **Paper:** https://arxiv.org/abs/1805.05095
+- **Leaderboard:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+- **Point of Contact:** [More Information Needed](https://github.com/huggingface/datasets/blob/master/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
 
 ### Dataset Summary
 
@@ -210,10 +210,11 @@ total number of sentence fragments: 0.14M
 
 ### Licensing Information
 
-CC-BY-SA-4.0
+This corpus is distributed under the CC-BY-SA-4.0 open license.
 
 ### Citation Information
 
+```
 @InProceedings{ATAMAN18.6,
   author = {Duygu Ataman},
   title = {Bianet: A Parallel News Corpus in Turkish, Kurdish and English},
@@ -228,6 +229,7 @@ CC-BY-SA-4.0
   isbn = {979-10-95546-15-3},
   language = {english}
   }
+```
 
 ### Contributions