Adding spiral_matrix code and explanation

SubhadipD9 · SubhadipD9 · commit bdf00013b85f · 2025-10-16T13:43:31.000+05:30
diff --git a/data_structures/arrays/spiral_matrix.py b/data_structures/arrays/spiral_matrix.py
@@ -62,4 +62,4 @@ def generateMatrix(self, n: int) -> list[list[int]]:
     [8, 9, 4]
     [7, 6, 5]
 
-'''
+'''
