feat: Enhance software tool with country selection and tax calculation

- Added a helper function to generate country select options in software tool.
- Updated user info modal and payment modal to use country dropdowns instead of text inputs.
- Implemented tax calculation based on selected country in payment modal.
- Improved software options loading behavior in debug mode.
- Enhanced description formatting in payment modal.
- Added log modal for equipment updates with a link to view logs.
- Introduced a new countries settings file with tax rates for various countries.
- Minor adjustments to various PHP files for better handling of equipment and payment processes.

products_software_upgrade_paths_manage.php

@@ -186,7 +186,8 @@ $view .= '<div class="content-block">
             <div class="form responsive-width-100">
                 <label for="from_version_id"><i class="required">*</i>From Version</label>
                 <select id="from_version_id" name="from_version_id" required>
-                    <option value="">Select From Version</option>';
+                    <option value="">Select From Version</option>
+                    <option value="9999999"'. ($path['from_version_id'] == 9999999 ? ' selected' : '') .'>Any Version (*)</option>';
                     if (!empty($versions)) {
                         foreach ($versions as $ver) {
                             // Skip the TO version from FROM dropdown to prevent FROM = TO