very basic orm structure and email support

.env.example

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+# Database Configuration
+DATABASE_URL=sqlite:///./carbon_copy.db
+# For PostgreSQL, use: postgresql://username:password@localhost/carbon_copy
+
+SMTP_HOST=
+SMTP_PORT=
+SMTP_USERNAME=
+SMTP_PASSWORD=
+SMTP_USE_TLS=true
+
+IMAP_HOST=
+IMAP_PORT=
+IMAP_USERNAME=
+IMAP_PASSWORD=
+IMAP_USE_SSL=true
+
+# Security
+SECRET_KEY=your_secret_key_here_change_this_in_production
+ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=30
+
+# Game Configuration (REQUIRED)
+GAME_MASTER_EMAIL=
+MAX_PLAYERS_PER_ROOM=10
+STARTING_ROOM_ID=1
+DEFAULT_HEALTH=100
+DEFAULT_ENERGY=100