Add task categories to metadata (#1)

- Add task categories to metadata (7d17e7f1075a16438cfdbecdd9105e8c3d60a8da)


Co-authored-by: Niels Rogge <nielsr@users.noreply.huggingface.co>

README.md

@@ -1,5 +1,7 @@
 ---
 license: apache-2.0
+task_categories:
+- other
 tags:
 - optimization
 - operations-research
@@ -190,7 +192,8 @@ Command line arguments:
     Eval script need this to load dataset since eval script may be generated and stored in a different location to support parallelism;
 2. `file_output_prefix`: the output file prefix: this prefix can be used to save output files during evaluation for inspection purposes; 
     we use prefix since you may want more than just a folder name; say you may want to add solution id to the output filename;
-    file will be saved by: `with open(f"{file_output_prefix}<filename>", 'w'):\n...`;
+    file will be saved by: `with open(f"{file_output_prefix}<filename>", 'w'):
+...`;
     absolute path is recommended;
     default: '', which means just save to current working directory;
 3. `mode`: train or val; default: val;