muted nm-dmg tier colors, updated navbar/search/menu to follow new "brand", modified auth for features, new homepage

src/pages/dashboard.astro

@@ -1,7 +1,5 @@
 ---
 import Layout from "../layouts/Main.astro";
-import NavBar from "../components/NavBar.astro";
-import NavItems from "../components/NavItems.astro";
 import Footer from "../components/Footer.astro";
 import FirstEditionIcon from "../components/FirstEditionIcon.astro";
 import { db } from '../db/index';
@@ -30,9 +28,6 @@ const totalGain = summary.totalGain || 0;
 ---
 
 <Layout title="Inventory Dashboard">
-  <NavBar slot="navbar">
-    <NavItems slot="navItems" />
-  </NavBar>
 
   <div class="row g-0" style="min-height: calc(100vh - 120px)" slot="page">
     <aside class="col-12 col-md-2 border-end border-secondary bg-dark p-3 d-flex flex-column gap-3">