Add import API module files and templates

- Created front.js for handling frontend JavaScript functionalities.
- Added index.php files for both the views and templates to manage redirection and access control.
- Implemented configure.tpl for admin configuration settings with AJAX functionality for field retrieval.
- Developed delete.tpl for product deletion with progress tracking.
- Introduced file_upload.tpl for file upload handling with drag-and-drop support.
- Created import.tpl for managing product imports with progress indicators.
- Added list.tpl for displaying uploaded files with action links.
- Implemented temp.tpl for queuing products with visual feedback.
- Enhanced index.php for module access control.
- Updated templates to include necessary JavaScript for AJAX operations and user interactions.

modules/import_api/views/templates/admin/configure.tpl

@@ -0,0 +1,87 @@
+{*
+* 2007-2018 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Academic Free License (AFL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/afl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author    PrestaShop SA <contact@prestashop.com>
+*  @copyright 2007-2018 PrestaShop SA
+*  @license   http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*}
+
+
+
+<div class="panel" id="tab-general">
+  <p>Source: {$file_name}</p>
+  <div style="min-height:20px">
+  <p id="api-loader" style="display:none"> Please wait while module read file 
+	<span class="hidden-xs" >
+        <i class="icon-refresh icon-spin icon-fw"></i>
+    </span>
+  </p>
+  </div>
+  <button id="reload-fields">Reload file</button>
+  <a class="pull-right" href="{$import_link}">Go to import page</a>
+</div>
+<script type="text/javascript">
+function find_fields() {
+    $.ajax({
+		url: '{$get_fields_link}',
+		type: 'post',
+		data: $('#tab-general :input'),
+		dataType: 'json',
+		beforeSend: function() {
+			$('#api-loader').show();
+			$('#configuration_form').hide();
+			$('#reload-fields').button('loading');
+			
+		},
+		complete: function() {
+			$('#api-loader').hide();
+			$('#configuration_form').show();
+			$('#reload-fields').button('reset');
+		},
+		success: function(json) {
+			if(json['error']){
+				alert(json['error']);
+			} else {			
+				$('.api_field').empty(); 
+				$('.api_field').append(new Option('--Please select--', 0));
+				$.each(json.field, function(key, value) {
+				  $('.api_field').append(new Option(value, value));
+				});
+				
+			}
+			$('#import_api_fields').val(json.fields);
+		
+		},
+		error: function(xhr, ajaxOptions, thrownError) {
+			alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
+		}
+	});
+}
+
+$( document ).ready(function() {
+{if !$file_settings.fields} 
+    find_fields();
+{/if}
+});
+
+$(document).delegate('#reload-fields', 'click', function() {
+	find_fields();
+});
+</script>