(Improve) Change BUSINESS_NAME_API URL to https

TCCInvoice/InvoiceGenerator.cs

@@ -62,10 +62,10 @@ namespace TCCInvoice
         private const double TAX_RATE = 0.05;
         private const string DEFAULT_PRINT_MARK = "N";
         /// <summary>
-        /// WEB : http://gcis.nat.g0v.tw/id/30435973
-        /// API : http://gcis.nat.g0v.tw/api/show/30435973
+        /// WEB : https://gcis.nat.g0v.tw/id/30435973
+        /// API : https://gcis.nat.g0v.tw/api/show/30435973
         /// </summary>
-        private const string BUSINESS_NAME_API = "http://gcis.nat.g0v.tw/api/show/";
+        private const string BUSINESS_NAME_API = "https://gcis.nat.g0v.tw/api/show/";
         private const string CARRIER_TYPE_BARCODE = "3J0002";
         private const string DEFAULT_LOVECODE = "4997276";