Add reference link for alternating harmonic series

Agent-A345 · Agent-A345 · commit b5d6590b5538 · 2026-05-07T00:03:52.000+05:30
diff --git a/maths/series/alternating_harmonic_series.py b/maths/series/alternating_harmonic_series.py
@@ -1,5 +1,5 @@
 """Alternating Harmonic Series Checker"""
-
+# https://en.wikipedia.org/wiki/Alternating_harmonic_series
 
 def is_alternate_harmonic_series(series: list) -> bool:
     """
