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

.gitignore

@@ -18,3 +18,6 @@ pnpm-lock.yaml
 npm-debug.log*
 logs/
 *.log
+
+# Data directory
+data/