fix: resolve mermaid elk diagram error, upgrade high-res appicon and complete rebranding to G-Launcher/GaCy

frontend/src/pages/fireflytools/index.tsx

@@ -30,12 +30,12 @@ export default function FireflyToolsPage() {
                                     <span className="font-semibold text-blue-800">{t("fireflytools.sect1_master_site")}</span>
                                 </div>
                                 <a
-                                    href="https://srtools.punklorde.org"
+                                    href="https://gacy-srtool.vercel.app/"
                                     className="link link-accent font-mono text-sm break-all"
                                     target="_blank"
                                     rel="noopener noreferrer"
                                 >
-                                    https://srtools.punklorde.org
+                                    https://gacy-srtool.vercel.app/
                                 </a>
                             </div>
                         <div className="flex items-start gap-3">