Send registration email, add mail validation page, stabilize mail generation

pages/admin/index.vue

@@ -81,9 +81,6 @@ async function fetch()
         <div v-if="job === 'mail'" class="flex justify-center items-center flex-col">
             <TextInput label="Destinataire" class="w-full" v-model="payload.to" />
             <textarea v-model="payload.data" class="w-[640px] bg-light-20 dark:bg-dark-20 border border-light-35 dark:border-dark-35 outline-none m-2 px-2"></textarea>
-            <div class="bg-[#fff] text-[#000]"><MailBase>
-                <MailRegistration v-bind="JSON.parse(payload.data)" />
-            </MailBase></div>
         </div>
         <Button class="self-center" @click="() => !!job && fetch()" :loading="status === 'pending'">
             <span>Executer</span>