Fix copy content formatting

Replaced code block formatting with inline code formatting for icon names in the generated markdown table. Updated README to match the new format, making the icon name column more concise and easier to read.

Author: Alaxxxx

Editor/IconBrowser.cs

@@ -451,7 +451,7 @@ private static void GenerateMarkdown(string rootPath, IEnumerable<Texture2D> suc
                         string imageName = string.Concat(icon.name.Split(Path.GetInvalidFileNameChars()));
                         string preview = $"<img src=\"icons/{imageName}.png\" width=\"24\" alt=\"{icon.name}\">";
                         string dims = $"`{icon.width}×{icon.height}`";
-                        string code = $"```\n{icon.name}\n```";
+                        string code = $"`{icon.name}`";
                         writer.WriteLine($"| {preview} | {dims} | {code} |");
                   }