Initial commit: nightly iOS app + Supabase backend

iOS SwiftUI app with Supabase auth/realtime, Node.js backend,
Docker/Supabase self-hosted infrastructure, and APNs scheduler.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/api/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "nightly-api",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "node --watch src/index.js"
+  },
+  "dependencies": {
+    "@node-rs/bcrypt": "^1.10.4",
+    "express": "^4.21.2",
+    "jsonwebtoken": "^9.0.2",
+    "node-apn": "^3.0.0",
+    "pg": "^8.13.3",
+    "redis": "^4.7.0",
+    "sharp": "^0.33.5",
+    "uuid": "^11.1.0"
+  }
+}