Initial commit: lottery project structure

Add core project files including:
- Client and server directories
- Backup script
- Package configuration
- Git ignore rules

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

server/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "lottery-server",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "nodemon index.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5",
+    "better-sqlite3": "^9.4.3",
+    "bcryptjs": "^2.4.3",
+    "jsonwebtoken": "^9.0.2",
+    "multer": "^1.4.5-lts.1",
+    "tesseract.js": "^5.0.4",
+    "axios": "^1.6.7",
+    "cheerio": "^1.0.0-rc.12"
+  }
+}