Update LittleShop configuration and deployment files

- Modified CLAUDE.md documentation
- Updated Dockerfile configuration
- Updated Program.cs and production settings
- Added deployment scripts for Hostinger
- Added Hostinger environment configuration

🤖 Generated with Claude Code

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

LittleShop/appsettings.Production.json

@@ -7,7 +7,7 @@
     }
   },
   "ConnectionStrings": {
-    "DefaultConnection": "Data Source=/app/data/littleshop.db"
+    "DefaultConnection": "Data Source=littleshop.db"
   },
   "Jwt": {
     "Key": "${JWT_SECRET_KEY}",