feat: groups price calculator admin crud, booking/offer flow and api

templates/components/calendar/index.html.twig

@@ -0,0 +1,17 @@
+<div id="calendar-wrapper">
+    <twig:calendar:grid :months="months"/>
+    <div class="flex items-center justify-between mt-4">
+        <button class="button button--secondary button--small"
+                hx-get="{{ path('app_admin_accommodation_calendar', {id: accommodation.id, month: prevMonth}) }}"
+                hx-target="#calendar-wrapper"
+                hx-swap="outerHTML">
+            ← {{ prevLabel }}
+        </button>
+        <button class="button button--secondary button--small"
+                hx-get="{{ path('app_admin_accommodation_calendar', {id: accommodation.id, month: nextMonth}) }}"
+                hx-target="#calendar-wrapper"
+                hx-swap="outerHTML">
+            {{ nextLabel }} →
+        </button>
+    </div>
+</div>