feat: add subtypes PAR and LVS as bookable additional services

assets/controllers/checkbox_toggle_controller.js

@@ -0,0 +1,32 @@
+import { Controller } from '@hotwired/stimulus'
+
+export default class extends Controller {
+
+    static classes = [ 'hidden' ]
+    static targets = [ 'container', 'checkboxGroup' ]
+    static values = { visible: Boolean }
+
+    connect() {
+        this.updateVisibility()
+    }
+
+    check() {
+        this.updateVisibility()
+    }
+
+    updateVisibility() {
+        if (!this.hasCheckboxGroupTarget) {
+            return
+        }
+
+        const checkboxes = this.checkboxGroupTarget.querySelectorAll('input[type="checkbox"]')
+        const hasChecked = Array.from(checkboxes).some(checkbox => checkbox.checked)
+        this.visibleValue = hasChecked
+    }
+
+    visibleValueChanged(visible) {
+        if (this.hasContainerTarget) {
+            this.containerTarget.classList.toggle(this.hiddenClass, false === visible)
+        }
+    }
+}