Initial commit: Grav CMS setup with HTML reference material

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plugins/flex-objects/admin/templates/flex-objects.html.twig

@@ -0,0 +1,30 @@
+{%- set user = admin.user -%}
+{%- set route = controller.route -%}
+{%- set type = directory.config('admin.template') ?? target -%}
+
+{# Set action from ?preview=1 #}
+{%- if key and uri.currentUri().queryParam('preview') %}
+    {% set action = 'preview' %}
+{% endif -%}
+
+{%- set template -%}
+    {%- if action == 'add' -%}
+        edit
+    {%- elseif action == 'delete' -%}
+        list
+    {%- else -%}
+        {{- action ?: task ?: 'types' -}}
+    {%- endif -%}
+{%- endset -%}
+
+{%- set separator = config.system.param_sep -%}
+{%- set view_config = directory.config('admin.views.' ~ template) ?? directory.config('admin.' ~ template) ?? [] -%}
+
+{%- include target ? [
+        'flex-objects/types/' ~ type ~ '/' ~ template ~ '.html.twig',
+        'flex-objects/types/default/' ~ template ~ '.html.twig',
+        'flex-objects/layouts/404.html.twig'
+    ] : [
+        'flex-objects/types/default/' ~ template ~ '.html.twig',
+        'flex-objects/layouts/404.html.twig'
+    ] -%}