feat: implement user profile management with avatars, login, and personal data

- Add avatar upload functionality with public URL access.
- Implement user login with email and password authentication.
- Create endpoints for fetching and updating the authenticated user's profile.
- Set up database migrations for user profiles, including email and role management.
- Introduce personal data management linked to user profiles.
- Add email verification process with welcome email templates.

frontend/src/components/EssentialLink.vue

@@ -0,0 +1,35 @@
+<template>
+  <q-item
+    clickable
+    tag="a"
+    target="_blank"
+    :href="link"
+  >
+    <q-item-section
+      v-if="icon"
+      avatar
+    >
+      <q-icon :name="icon" />
+    </q-item-section>
+
+    <q-item-section>
+      <q-item-label>{{ label }}</q-item-label>
+      <q-item-label caption>{{ caption }}</q-item-label>
+    </q-item-section>
+  </q-item>
+</template>
+
+<script setup lang="ts">
+export interface EssentialLinkProps {
+  label: string;
+  caption?: string;
+  link?: string;
+  icon?: string;
+};
+
+withDefaults(defineProps<EssentialLinkProps>(), {
+  caption: '',
+  link: '#',
+  icon: '',
+});
+</script>