feat: add the admin layout shell

templates/layout.html.twig

@@ -0,0 +1,43 @@
+{% extends 'base.html.twig' %}
+
+{% block body %}
+    <div class="max-w-screen-2xl mx-auto px-4 lg:px-8 lg:grid lg:grid-cols-4 gap-8 py-8">
+        <div class="lg:col-span-4 flex items-center justify-between pb-4 lg:pb-0">
+            <a href="{{ path('app_dashboard') }}" class="text-2xl font-black tracking-tight text-primary-dark">
+                ep<span class="text-pink">hub</span>
+            </a>
+            <button type="button"
+                    class="lg:hidden"
+                    {{ stimulus_controller('mobilenav', [], [], { 'mobilenav': '#mobilenav' }) }}
+                    {{ stimulus_action('mobilenav', 'trigger', null, { 'mode': 'open' }) }}>
+                {{ ux_icon('lucide:menu', { class: 'w-8 h-8 text-gray-700' }) }}
+            </button>
+        </div>
+
+        <div class="hidden lg:block sticky top-0 h-screen">
+            {% include '_partials/_nav.html.twig' %}
+        </div>
+
+        <div class="lg:col-span-3">
+            {% block content %}{% endblock %}
+        </div>
+    </div>
+
+    <div id="mobilenav"
+         class="fixed z-50 top-0 left-0 inset-0 pr-16 bg-black/70 -translate-x-full"
+         {{ stimulus_controller('mobilenav', [], { 'closed': '-translate-x-full' }, { 'mobilenav': '#mobilenav' }) }}>
+        <div class="h-screen w-full bg-white">
+            <div class="flex justify-between p-8">
+                <span class="text-2xl font-black tracking-tight text-primary-dark">ep<span class="text-pink">hub</span></span>
+                <button type="button" {{ stimulus_action('mobilenav', 'trigger', null, { 'mode': 'close' }) }}>
+                    {{ ux_icon('lucide:x', { class: 'w-8 h-8' }) }}
+                </button>
+            </div>
+            <div class="w-full h-full p-8 pt-0 overflow-y-scroll">
+                {% include '_partials/_nav.html.twig' %}
+            </div>
+        </div>
+    </div>
+
+    {% include '_partials/_flashes.html.twig' %}
+{% endblock %}