feat(Design): 选择题支持单选和多选功能

- 修改 Choice 组件，支持单选和多选的渲染逻辑
- 新增 CheckboxAction 组件，用于多选题的排它项设置
- 更新 QuestionAction 组件，适配新的单选和多选逻辑
- 调整 Index 组件，支持单选和多选题的显示
- 修改 stores 中的 question_type 值，以区分单选和多选

components.d.ts

@@ -13,6 +13,8 @@ declare module 'vue' {
     VanButton: typeof import('vant/es')['Button']
     VanCell: typeof import('vant/es')['Cell']
     VanCellGroup: typeof import('vant/es')['CellGroup']
+    VanCheck: typeof import('vant/es')['Check']
+    VanCheckbo: typeof import('vant/es')['Checkbo']
     VanCheckbox: typeof import('vant/es')['Checkbox']
     VanCheckboxGroup: typeof import('vant/es')['CheckboxGroup']
     VanCol: typeof import('vant/es')['Col']
@@ -21,6 +23,8 @@ declare module 'vue' {
     VanField: typeof import('vant/es')['Field']
     VanIcon: typeof import('vant/es')['Icon']
     VanPopup: typeof import('vant/es')['Popup']
+    VanRadio: typeof import('vant/es')['Radio']
+    VanRadioGroup: typeof import('vant/es')['RadioGroup']
     VanRow: typeof import('vant/es')['Row']
     VanSearch: typeof import('vant/es')['Search']
     VanSwitch: typeof import('vant/es')['Switch']