feat: initial schemas-app implementation

- Add Nuxt 4 application with Vuetify UI framework
- Implement GraphQL schema registry management interface
- Add Apollo Client integration with Auth0 authentication
- Create organization and API key management
- Add schema and ref browsing capabilities
- Implement organization switcher for multi-org users
- Add delete functionality for organizations and API keys
- Create Kubernetes deployment descriptors
- Add Docker configuration with nginx

Features:
- Dashboard with organization overview
- Schema browsing by ref with supergraph viewing
- Ref management with schema details
- Settings page for organizations and API keys
- User list per organization with provider icons
- Admin-only organization creation
- Delete confirmations with warnings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/app.vue

@@ -0,0 +1,82 @@
+<template>
+  <v-app>
+    <v-app-bar color="primary" prominent>
+      <v-app-bar-nav-icon variant="text" @click.stop="drawer = !drawer" />
+      <v-toolbar-title>Unbound Schemas</v-toolbar-title>
+      <v-spacer />
+
+      <template v-if="auth0?.isLoading?.value">
+        <v-progress-circular indeterminate size="24" width="2" />
+      </template>
+
+      <template v-else-if="auth0?.isAuthenticated?.value">
+        <OrganizationSwitcher class="mr-4" />
+
+        <v-menu>
+          <template #activator="{ props }">
+            <v-btn v-bind="props" variant="text">
+              <v-avatar size="32" class="mr-2">
+                <v-img v-if="auth0?.user?.value?.picture" :src="auth0.user.value.picture" />
+                <v-icon v-else>mdi-account-circle</v-icon>
+              </v-avatar>
+              {{ auth0?.user?.value?.name || auth0?.user?.value?.email }}
+            </v-btn>
+          </template>
+          <v-list>
+            <v-list-item>
+              <v-list-item-title>{{ auth0?.user?.value?.email }}</v-list-item-title>
+              <v-list-item-subtitle>{{ auth0?.user?.value?.name }}</v-list-item-subtitle>
+            </v-list-item>
+            <v-divider />
+            <v-list-item prepend-icon="mdi-cog" title="Settings" to="/settings" />
+            <v-list-item prepend-icon="mdi-logout" title="Logout" @click="auth0?.logout({ logoutParams: { returnTo: window.location.origin } })" />
+          </v-list>
+        </v-menu>
+      </template>
+
+      <template v-else>
+        <v-btn variant="outlined" @click="auth0?.loginWithRedirect()">
+          Login
+        </v-btn>
+      </template>
+    </v-app-bar>
+
+    <v-navigation-drawer v-model="drawer" temporary>
+      <v-list>
+        <v-list-item
+          prepend-icon="mdi-view-dashboard"
+          title="Dashboard"
+          to="/"
+        />
+        <v-list-item
+          prepend-icon="mdi-graphql"
+          title="Schemas"
+          to="/schemas"
+        />
+        <v-list-item
+          prepend-icon="mdi-source-branch"
+          title="Refs"
+          to="/refs"
+        />
+        <v-list-item
+          prepend-icon="mdi-cog"
+          title="Settings"
+          to="/settings"
+        />
+      </v-list>
+    </v-navigation-drawer>
+
+    <v-main>
+      <v-container fluid>
+        <NuxtPage />
+      </v-container>
+    </v-main>
+  </v-app>
+</template>
+
+<script setup lang="ts">
+import { useAuth0 } from '@auth0/auth0-vue'
+
+const drawer = ref(false)
+const auth0 = useAuth0()
+</script>