Update index.html

Author: Mistium

index.html

@@ -204,6 +204,7 @@ <h2>Other Extension Galleries</h2>
             { name: "CST's Extensions", url: "https://cst1229.eu.org/extensions" },
             { name: "ElmoBear's Extensions", url: "https://kylekart.github.io/ScratchExtensions" },
             { name: "Flufi's Gallery", url: "https://gallery.flufi.gay" },
+            { name: "Greedy Allay Extensions", url: "https://greedyallay.github.io/extensions" },
         ];
 
         const otherGalleriesContainer = document.getElementById("otherGalleries");