Update app.py

app.py

@@ -15,7 +15,7 @@ null_score_diff_threshold = 0.0
 max_length = 384
 stride = 128
 
-article = """Check out the project repository at [GitHub]().
+article = """Check out the project repository at [GitHub](https://github.com/vdyma/eureqa).
 
 Training logs can be found at [ClearML](https://app.clear.ml/projects/cd2f4008afa34a68bd085588fe8f44e1/experiments/a971b54e499a4dbe8b90faf9b6969608/output/execution) (you must be registered to access the log).
 """