okolors: adopt

pkgs/by-name/ok/okolors/package.nix

@@ -21,7 +21,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
     description = "Generate a color palette from an image using k-means clustering in the Oklab color space";
     homepage = "https://github.com/Ivordir/Okolors";
     license = lib.licenses.mit;
-    maintainers = [ ];
+    maintainers = with lib.maintainers; [
+      sandarukasa
+    ];
     mainProgram = "okolors";
   };
 })