refacto: rename html and rs templates dirs to old_*

crates/app/old_templates/layout/nav/mobile/menu-button.html

@@ -0,0 +1,43 @@
+<!-- Mobile menu button -->
+<button
+  type="button"
+  class="relative inline-flex items-center justify-center rounded-md bg-white p-2 text-gray-400 hover:bg-gray-100 hover:text-gray-500 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2"
+  aria-controls="mobile-menu"
+  x-on:click="menuOpen = ! menuOpen"
+  x-bind:aria-expanded="menuOpen"
+>
+  <span class="absolute -inset-0.5"></span>
+  <span class="sr-only">Open main menu</span>
+  <!-- Menu open: "hidden", Menu closed: "block" -->
+  <svg
+    class="h-6 w-6"
+    fill="none"
+    viewBox="0 0 24 24"
+    stroke-width="1.5"
+    stroke="currentColor"
+    x-bind:class="menuOpen ? 'hidden' : 'block'"
+    x-bind:aria-hidden="menuOpen"
+  >
+    <path
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5"
+    />
+  </svg>
+  <!-- Menu open: "block", Menu closed: "hidden" -->
+  <svg
+    class="h-6 w-6"
+    fill="none"
+    viewBox="0 0 24 24"
+    stroke-width="1.5"
+    stroke="currentColor"
+    x-bind:class="menuOpen ? 'block' : 'hidden'"
+    x-bind:aria-hidden="! menuOpen"
+  >
+    <path
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      d="M6 18L18 6M6 6l12 12"
+    />
+  </svg>
+</button>