Update vee-validate.d.ts
Update vee-validate.d.ts

Missing TypeScript definitions for new attach method. FieldOptions added.
logaretm/vee-validate,dfcook/vee-validate,logaretm/vee-validate,baianat/vee-validate,baianat/vee-validate,baianat/vee-validate,logaretm/vee-validate,dfcook/vee-validate