Add company setting for whether to add vehicle to group on copy-clone

src/table/company_settings.ini

@@ -246,6 +246,15 @@ str      = STR_CONFIG_SETTING_ADVANCE_ORDER_ON_CLONE
 strhelp  = STR_CONFIG_SETTING_ADVANCE_ORDER_ON_CLONE_HELPTEXT
 patxname = ""advance_order_on_clone""
 
+[SDT_BOOL]
+base     = CompanySettings
+var      = copy_clone_add_to_group
+guiflags = SGF_PER_COMPANY
+def      = true
+str      = STR_CONFIG_SETTING_COPY_CLONE_ADD_TO_GROUP
+strhelp  = STR_CONFIG_SETTING_COPY_CLONE_ADD_TO_GROUP_HELPTEXT
+patxname = ""copy_clone_add_to_group""
+
 [SDT_END]