Updating the Node.js version.

Updating the typescript library.

Updating the rimraf library.

Updating the @types/express library.

Updating the serverless-http library.

Improvements.

Adding the sample data.

Adding the Serverless settings file.

Adding the build script.

Adding the rimraf library.

Adding the TypeScript settings file.

Adding the .serverless folder.

Adding the Express.js settings.

Adding the books route.

Adding the keywords setting.