fix: resolved pr comments

Author: KaranChadha10

Algorithms/GlobalUsings.cs

@@ -18,5 +18,4 @@
 global using System.Security.Cryptography;  // Cryptographic services (hashing, encryption, random numbers)
 global using System.Text;                   // Text encoding, StringBuilder, etc.
 global using System.Text.RegularExpressions; // Regular expression support
-global using SkiaSharp;
 global using Utilities.Extensions;          // Common extension methods used across the solution

Algorithms/Other/FloodFill.cs

@@ -1,3 +1,5 @@
+using SkiaSharp;
+
 namespace Algorithms.Other;
 
 /// <summary>

Algorithms/Other/KochSnowflake.cs

@@ -1,3 +1,5 @@
+using SkiaSharp;
+
 namespace Algorithms.Other;
 
 /// <summary>

Algorithms/Other/Mandelbrot.cs

@@ -1,3 +1,5 @@
+using SkiaSharp;
+
 namespace Algorithms.Other;
 
 /// <summary>