feat: add ESLint and Prettier configuration for code quality

- Added ESLint with TypeScript support and custom rules.
- Introduced Prettier for consistent code formatting.
- Updated package.json to include lint and format scripts.
- Modified db.ts to ensure proper parsing of BIGINT types from PostgreSQL.
- Enhanced webRoutes to coerce timestamp fields to numbers and format isDeleted as boolean.

CollabTableServer/.dockerignore

@@ -4,6 +4,10 @@ dist
 .env
 .git
 .gitignore
+.vscode
+.idea
 README.md
 docker-compose.yml
 Dockerfile
+data/
+collabtable.db