Add dataset-card discovery metadata (pretty_name, language, task_categories, tags); body unchanged

README.md

@@ -2,6 +2,23 @@
 license: other
 license_name: compilingthings-benchmark-evaluation-licence-v1.0
 license_link: LICENSE
+
+pretty_name: CompilingThings MQL5 Compile Benchmark
+
+language:
+- en
+
+task_categories:
+- text-generation
+
+tags:
+- mql5
+- metatrader-5
+- algorithmic-trading
+- expert-advisor
+- code-generation
+- code
+- benchmark
 ---
 
 # CompilingThings Compile Benchmark for MQL5®