Add Custom Feature Tab module with database integration and AJAX support

- Created main module file `customfeaturetab.php` to manage product tabs based on feature values.
- Implemented database installation and uninstallation methods to create necessary tables.
- Added admin controller files for handling redirects and admin functionalities.
- Introduced AJAX functionality in `admin.js` for dynamic feature value selection based on selected features.
- Included temporary query script for testing feature values.
- Added language support for the module with Polish translations.
- Created necessary view files and JavaScript files for module functionality.
- Added logo image for the module.

.claude/settings.local.json

@@ -0,0 +1,10 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(head:*)",
+      "Bash(cp:*)",
+      "Bash(cd:*)",
+      "Bash(curl:*)"
+    ]
+  }
+}