fix: nuxt.config.ts autoForm options not being respected

[lajczi]

Module options from nuxt.config.ts were stored in runtimeConfig.public.autoForm, but all components (AutoForm.vue, AutoFormModal.vue) read from useAppConfig().autoForm; however, these are completely separate. Options were never bridged into the app config

Fixed by assigning module options to nuxt.options.appConfig.autoForm, so useAppConfig() picks them up.app.config.ts still takes precedence via Nuxt's native app config merging

Also typed ModuleOptions as AutoFormConfig for proper autocomplete in nuxt.config.ts

[Norbiros]

Configuration related to the UI should be stored in the app.config.ts. In documentation it clearly states to configure those options in the app.config.ts