Refactor Help pages

I split the help pages in 2

components/Nav/Navbar.vue

@@ -18,7 +18,7 @@ const props = withDefaults(defineProps<Props>(), {
   density: "prominent",
   drawer: true,
   drawerEnabled: true,
-  title: "Knowledge database of all known anti-phage systems"
+  title: "Knowledge database of all known defense systems"
 });
 const emit = defineEmits(['update:drawer'])
 function toggleTheme() {
@@ -38,7 +38,7 @@ const sections = ref([
   { id: "wiki", label: "Wiki", to: '/', },
   { id: "refseq", label: "RefSeq DB", to: '/refseq/' },
   { id: "structure", label: "Structures DB", to: '/structure/' },
-  { id: "help", label: "Help", to: '/help/' },
+  { id: "help", label: "Help", to: '/help/defensefinder' },
 ]);