Initial commit: Shelem card game

Full-stack multiplayer Shelem (Iranian trick-taking card game) with
Socket.IO, JWT auth, bot players, joker mode, and mobile-friendly UI.

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

docker-compose.yml

@@ -0,0 +1,16 @@
+services:
+  shelem:
+    container_name: shelem
+    build: .
+    ports:
+      - "4001:4000"
+      - "4444:4443"
+    restart: unless-stopped
+    volumes:
+      - ./data:/app/data
+      # Hokm's data dir (read-only) — allows Hokm accounts to log into Shelem
+      - /root/hokm/data:/hokm-data:ro
+      # Share card SVGs from Hearts/Hokm — same assets, no duplication
+      - /root/hearts/public/cards:/app/public/cards:ro
+    env_file:
+      - .env