feat: add navbar layout with some JS controls (with Alpine.js)

crates/app/templates/layout/nav.html

@@ -0,0 +1,41 @@
+<nav
+  class="border-b border-gray-200 bg-white"
+  x-data="{ menuOpen: false }"
+>
+  <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
+    <div class="flex h-16 justify-between">
+      <div class="flex">
+        {% include "layout/nav/logo.html" %}
+        <div class="hidden sm:-my-px sm:ml-6 sm:flex sm:space-x-8">
+          {% include "layout/nav/desktop/menu-items.html" %}
+        </div>
+      </div>
+      <div class="hidden sm:ml-6 sm:flex sm:items-center">
+        {% include "layout/nav/desktop/notifications-button.html" %}
+        {% include "layout/nav/desktop/profile.html" %}
+      </div>
+      <div class="-mr-2 flex items-center sm:hidden">
+        {% include "layout/nav/mobile/menu-button.html" %}
+      </div>
+    </div>
+  </div>
+  <!-- Mobile menu, show/hide based on menu state. -->
+  <div
+    class="sm:hidden" id="mobile-menu"
+    x-show="menuOpen"
+    x-cloak
+  >
+    <div class="space-y-1 pb-3 pt-2">
+      {% include "layout/nav/mobile/menu-items.html" %}
+    </div>
+    <div class="border-t border-gray-200 pb-3 pt-4">
+      <div class="flex items-center px-4">
+        {% include "layout/nav/mobile/profile.html" %}
+        {% include "layout/nav/mobile/notifications-button.html" %}
+      </div>
+      <div class="mt-3 space-y-1">
+        {% include "layout/nav/mobile/profile-items.html" %}
+      </div>
+    </div>
+  </div>
+</nav>