Initial handler

handler.js

const handler = async (event) => {
  console.log('Received request', event);
  const body = JSON.parse(event.body);
  
  if (body.challenge) {
    return {
      statusCode: 200,
      headers: { 'Content-Type': 'text/plain' },
      body: body.challenge
    };
  }
  return { statusCode: 200 };
};

module.exports = { handler };