[comp:form cdk]支持配置trim去除首尾空字符串

[sjia0307]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

form cdk支持配置trim去除首尾空字符串

What does the proposed API look like?

export interface ValidatorOptions {
    validators?: ValidatorFn | ValidatorFn[];
    asyncValidators?: AsyncValidatorFn | AsyncValidatorFn[];
    trigger?: TriggerType;
    disabled?: boolean;
    trim?: boolean;
}

[unknownzjc]

这个我试着修改下。 @danranVm