fix: update link in footer with new repo name

The footer link to viewing the source code sends users to the wrong repository. This repo must've been named "panel" in a past life, but now it is "dashy". This resolves the issue.

src/components/PageStrcture/Footer.vue

@@ -20,7 +20,7 @@ export default {
     licenseUrl: { type: String, default: 'https://gist.github.com/Lissy93/143d2ee01ccc5c052a17' },
     date: { type: String, default: `${new Date().getFullYear()}` },
     showCopyright: { type: Boolean, default: true },
-    repoUrl: { type: String, default: 'https://github.com/lissy93/panel' },
+    repoUrl: { type: String, default: 'https://github.com/lissy93/dashy' },
     text: String,
   },
 };