docs: Deprecate the sections components

Author: bastianallgeier

panel/src/components/Sections/FieldsSection.vue

@@ -27,6 +27,10 @@
 import SectionMixin from "@/mixins/section.js";
 
 /**
+ * A `fields` section is unwrapped into its fields on the
+ * blueprint level and never reaches the Panel anymore.
+ *
+ * @deprecated 6.0.0
  * @copyright Bastian Allgeier
  * @license   https://getkirby.com/license
  */

panel/src/components/Sections/Sections.vue

@@ -56,6 +56,10 @@
 
 <script>
 /**
+ * Sections are converted to fields on the blueprint level.
+ * Model views render `k-model-form` instead.
+ *
+ * @deprecated 6.0.0
  * @copyright Bastian Allgeier
  * @license   https://getkirby.com/license
  */