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

skills/loki-mode/benchmarks/results/2026-01-05-00-49-17/humaneval-solutions/13.py

@@ -0,0 +1,10 @@
+def greatest_common_divisor(a: int, b: int) -> int:
+    """ Return a greatest common divisor of two integers a and b
+    >>> greatest_common_divisor(3, 5)
+    1
+    >>> greatest_common_divisor(25, 15)
+    5
+    """
+    while b:
+        a, b = b, a % b
+    return a