Add script for manipulating and checking code samples

[flevi29]

Pull Request

Related issue

Fixes #1947

What does this PR do?

• adds scripts that help with authoring, linting and type checking code samples

# Generate files
yarn generate-code-sample-files
# Generate YAML file
yarn generate-code-samples-yaml
# For maintainers to generate new code samples
yarn generate-code-sample-files new_sample_one new_sample_two

• code samples are now linted and type checked in CI workflows, guaranteeing that we'll no longer get completely broken code samples
• refactors code samples

Summary by CodeRabbit

• New Features

  • Introduced automated generation of TypeScript code samples from YAML and vice versa, improving consistency and maintainability of code samples.
  • Added scripts and commands to generate and manage code samples, with clear instructions in the contributing guide.

• Documentation

  • Updated the contributing guide with a new section detailing how to generate, lint, and type-check code samples.

• Chores

  • Added new scripts and dependencies to support code sample generation.
  • Updated .gitignore to exclude generated code samples from version control.
  • Updated TypeScript configuration for improved module resolution in tests.

• Style

  • Modernized all JavaScript/TypeScript Meilisearch code samples to use consistent async/await patterns and ES module imports.