refactor: Convert project from JavaScript to TypeScript

- Converted all .js files to .ts
- Added TypeScript configuration (tsconfig.json)
- Added ESLint and Prettier configuration
- Updated package.json dependencies
- Modified Docker and application configurations

package.json

@@ -2,9 +2,13 @@
   "name": "discord-music-bot",
   "version": "1.0.0",
   "description": "",
-  "main": "index.js",
+  "main": "dist/index.js",
   "scripts": {
-    "start": "node src/index.js",
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "dev": "ts-node-dev --respawn --transpile-only src/index.ts",
+    "lint": "eslint src/**/*.ts tests/**/*.ts deploy-commands.ts",
+    "format": "prettier --write src/**/*.ts tests/**/*.ts deploy-commands.ts",
     "test": "jest"
   },
   "keywords": [],
@@ -17,7 +21,18 @@
     "winston": "^3.17.0"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.14",
+    "@types/js-yaml": "^4.0.9",
+    "@types/node": "^22.14.1",
+    "@typescript-eslint/eslint-plugin": "^8.31.0",
+    "@typescript-eslint/parser": "^8.31.0",
+    "eslint": "^9.25.1",
+    "eslint-config-prettier": "^10.1.2",
+    "eslint-plugin-prettier": "^5.2.6",
     "jest": "^29.7.0",
-    "js-yaml": "^4.1.0"
+    "js-yaml": "^4.1.0",
+    "prettier": "^3.5.3",
+    "ts-node-dev": "^2.0.0",
+    "typescript": "^5.8.3"
   }
 }