feat: 增加设置项

lib/pages/search/controller.dart

@@ -27,7 +27,9 @@ class SSearchController extends GetxController {
   @override
   void onInit() {
     super.onInit();
-    searchDefault();
+    if (setting.get(SettingBoxKey.enableSearchWord, defaultValue: true)) {
+      searchDefault();
+    }
     // 其他页面跳转过来
     if (Get.parameters.keys.isNotEmpty) {
       if (Get.parameters['keyword'] != null) {

lib/pages/setting/extra_setting.dart

@@ -55,6 +55,18 @@ class _ExtraSettingState extends State<ExtraSetting> {
             defaultVal: true,
             callFn: (val) => {SmartDialog.showToast('下次启动时生效')},
           ),
+          const SetSwitchItem(
+            title: '搜索默认词',
+            subTitle: '是否展示搜索框默认词',
+            setKey: SettingBoxKey.enableSearchWord,
+            defaultVal: true,
+          ),
+          const SetSwitchItem(
+            title: '推荐动态',
+            subTitle: '是否在推荐内容中展示动态',
+            setKey: SettingBoxKey.enableRcmdDynamic,
+            defaultVal: true,
+          ),
           const SetSwitchItem(
             title: '快速收藏',
             subTitle: '点按收藏至默认，长按选择文件夹',