Update version to 0.1.13

- Updated version number in all files
- Added changelog entries for code quality improvements
- Created release ZIP file

.ai-assistant.md

@@ -16,7 +16,7 @@ This workspace may contain multiple repository folders. Always focus ONLY on the
 * **Plugin Slug**: wp-plugin-starter-template
 * **Text Domain**: wp-plugin-starter-template
 * **Namespace**: WPALLSTARS\PluginStarterTemplate
-* **Version**: 0.1.12
+* **Version**: 0.1.13
 * **Requires WordPress**: 5.0+
 * **Requires PHP**: 7.0+
 * **License**: GPL-2.0+