Add contact form validation

plugins/click-outside-vue3.js

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+import vClickOutside from 'click-outside-vue3';
+
+export default defineNuxtPlugin((nuxtApp) => {
+    nuxtApp.vueApp.use(vClickOutside);
+});

plugins/vee-validate.js

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+import { ErrorMessage, Field, Form } from 'vee-validate';
+
+export default defineNuxtPlugin((nuxtApp) => {
+    nuxtApp.vueApp.component('VeeError', ErrorMessage);
+    nuxtApp.vueApp.component('VeeField', Field);
+    nuxtApp.vueApp.component('VeeForm', Form);
+});

plugins/yup.js

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+import { object, string } from 'yup';
+
+export default defineNuxtPlugin((nuxtApp) => {
+    nuxtApp.provide('yupObject', object);
+    nuxtApp.provide('yupString', string);
+});