Fix: Ensure all skills are tracked as files, not submodules

skills/loki-mode/benchmarks/results/2026-01-05-00-49-17/humaneval-solutions/28.py

@@ -0,0 +1,11 @@
+from typing import List
+
+
+def concatenate(strings: List[str]) -> str:
+    """ Concatenate list of strings into a single string
+    >>> concatenate([])
+    ''
+    >>> concatenate(['a', 'b', 'c'])
+    'abc'
+    """
+    return ''.join(strings)