feat(events): add message update, role, and voice state update handlers

- Implemented `handle_message_update` to log message edits.
- Created role event handlers for role creation, update, and deletion.
- Added voice state update handling to log channel changes.
- Introduced a new `ready_event` handler to restore bot presence and enforce blacklist.
- Updated `mod.rs` to include new event modules.
- Enhanced `main.rs` for database connection and initialization.
- Added comprehensive permission management in `permissions.rs`.

docker-compose.yml

@@ -0,0 +1,36 @@
+services:
+  bot:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: shadowbot:latest
+    container_name: shadowbot-bot
+    restart: unless-stopped
+    environment:
+      BOT_TOKEN: ${BOT_TOKEN}
+      DATABASE_URL: postgres://${POSTGRES_USER:-shadowbot}:${POSTGRES_PASSWORD:-shadowbot_dev_password}@postgres:5432/${POSTGRES_DB:-shadowbot}
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+  postgres:
+    image: postgres:16-alpine
+    container_name: shadowbot-postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB:-shadowbot}
+      POSTGRES_USER: ${POSTGRES_USER:-shadowbot}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-shadowbot_dev_password}
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-shadowbot} -d ${POSTGRES_DB:-shadowbot}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
+
+volumes:
+  postgres_data: