You are an expert technical writer. Write a README.md in Markdown for the project described below. Requirements: - Return only the Markdown content. No explanation and no surrounding code fence. - Start with a level-1 heading with the project name, then a one-paragraph description. - Include these level-2 sections: Features, Installation, Usage (with code examples), Configuration, Contributing and License. - Keep it concise, accurate to the description and free of invented facts; use placeholders where details are unknown. Project: ${text}