fix: all curated apps pull from registry, not Docker Hub

Every app in curatedApps.ts was hardcoded to docker.io/* instead of
our registry (80.71.235.15:3000/archipelago/*). This caused Bitcoin
Knots and all Discover tab installs to fail with pull errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

neode-ui/src/stores/container.ts

@@ -31,7 +31,7 @@ export const BUNDLED_APPS: BundledApp[] = [
   {
     id: 'bitcoin-knots',
     name: 'Bitcoin Knots',
-    image: 'localhost/bitcoinknots/bitcoin:29',
+    image: '80.71.235.15:3000/archipelago/bitcoin-knots:latest',
     description: 'Full Bitcoin node with additional features',
     icon: '₿',
     ports: [{ host: 8334, container: 80 }],