Added a "select" input type and "default" value for settings. (#1423)

* Added a selectbox and updated nyaasi to include two.

* Added a "default" field for settings.

src/Jackett/Content/custom.js

@@ -527,6 +527,9 @@ function getConfigModalJson(configForm) {
             case "inputbool":
                 itemEntry.value = $el.find(".setup-item-inputbool input").is(":checked");
                 break;
+            case "inputselect":
+                itemEntry.value = $el.find(".setup-item-inputselect select").val();
+                break;
             case "recaptcha":
                 if (window.jackettIsLocal) {
                     var version = $el.find('.jackettrecaptcha').data("version");