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/.eslintrc.cjs

@@ -0,0 +1,22 @@
+module.exports = {
+  root: true,
+  env: {
+    es2021: true,
+    node: true,
+  },
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+    project: null,
+  },
+  plugins: ['@typescript-eslint'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+    'prettier',
+  ],
+  rules: {
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};