Add public dashboard and route, add DoubleMetricPlot and GQL queries

- add roofline legend display switch
- small fixes

web/frontend/src/dashpublic.entrypoint.js

@@ -0,0 +1,13 @@
+import { mount } from 'svelte';
+// import {} from './header.entrypoint.js'
+import DashPublic from './DashPublic.root.svelte'
+
+mount(DashPublic, {
+    target: document.getElementById('svelte-app'),
+    props: {
+        presetCluster: infos.cluster,
+    },
+    context: new Map([
+            ['cc-config', clusterCockpitConfig]
+    ])
+})