Add linting and formatting checks for Python and TypeScript code.

* **GitHub Actions Workflow**
  - Add steps to install and run pylint for Python code.
  - Add a new job to lint and format TypeScript code using eslint and prettier.

* **VSCode Settings**
  - Enable pylint with specific arguments.
  - Add eslint options for file extensions.
  - Require prettier configuration.

* **TypeScript ESLint Configuration**
  - Extend eslint configuration to include prettier.
  - Add prettier plugin and rule to enforce formatting.

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