chore: create production-v2 branch with content only

This branch contains ONLY:
- Pages (config/www/user/pages/)
- Themes (config/www/user/themes/)
- Plugins (config/www/user/plugins/)
- PRODUCTION.md
- Minimal .gitignore

Clean slate for production deployment.
All development files, configs, scripts removed.

config/www/user/plugins/admin/tests/unit.suite.yml

@@ -0,0 +1,9 @@
+# Codeception Test Suite Configuration
+#
+# Suite for unit (internal) tests.
+
+class_name: UnitTester
+modules:
+    enabled:
+        - Asserts
+        - \Helper\Unit