refactor: align codebase with EventCrew domain and trim legacy band stack

- Update API: events, users, policies, routes, resources, migrations
- Remove deprecated models/resources (customers, setlists, invitations, etc.)
- Refresh admin app and docs; remove apps/band

Made-with: Cursor

apps/app/src/views/pages/authentication/AuthProvider.vue

@@ -0,0 +1,46 @@
+<script setup lang="ts">
+import { useTheme } from 'vuetify'
+
+const { global } = useTheme()
+
+const authProviders = [
+  {
+    icon: 'tabler-brand-facebook-filled',
+    color: '#4267b2',
+    colorInDark: '#497CE2',
+  },
+  {
+    icon: 'tabler-brand-twitter-filled',
+    color: '#1da1f2',
+    colorInDark: '#1da1f2',
+  },
+  {
+    icon: 'tabler-brand-github-filled',
+    color: '#272727',
+    colorInDark: '#fff',
+  },
+  {
+    icon: 'tabler-brand-google-filled',
+    color: '#dd4b39',
+    colorInDark: '#db4437',
+  },
+]
+</script>
+
+<template>
+  <div class="d-flex justify-center flex-wrap gap-1">
+    <VBtn
+      v-for="link in authProviders"
+      :key="link.icon"
+      icon
+      variant="text"
+      size="small"
+      :color="global.name.value === 'dark' ? link.colorInDark : link.color"
+    >
+      <VIcon
+        size="20"
+        :icon="link.icon"
+      />
+    </VBtn>
+  </div>
+</template>