feat(database): add TypeORM configuration and initialize data source

- Added TypeORM and PostgreSQL dependencies to package.json.
- Created data-source.ts to configure the database connection.
- Initialized the data source in index.ts and added logging for successful connection.
- Updated devDependencies to include @types/node for better type support.

.env.example

@@ -1,5 +1,18 @@
-TOKEN=
-CLIENT_ID=
+# Discord Bot Configuration
+TOKEN=your_discord_bot_token_here
+CLIENT_ID=your_discord_client_id_here
 
+# Custom Emojis
 EMOJI_STATUS_ONLINE=<a:online:1432684754276323431>
-EMOJI_STATUS_OFFLINE=<a:offline:1432684900175183882>
+EMOJI_STATUS_OFFLINE=<a:offline:1432684900175183882>
+
+# Database Configuration
+DB_HOST=localhost
+DB_PORT=5432
+DB_USERNAME=postgres
+DB_PASSWORD=your_database_password_here
+DB_DATABASE=protojx_manager
+DB_LOGGING=false
+
+# Environment
+NODE_ENV=development