Sign up for workouts automatically.

1. deploy
   1. clone repository: git clone https://github.com/orrshilon/arbot.git
   2. download requirements: pip install -r requirements.txt
   3. package requirements
   4. [deploy to AWS Labmda] (https://docs.aws.amazon.com/lambda/latest/dg/lambda-python-how-to-create-deployment-package.html#python-package-codeonly)
2. schedule
   1. create a new schedule on CloudWatch Event Scheduling
   2. choose your lambda function
   3. for the input choose JSON text and enter something like: {"target_workouts": ["יוגה"], "delta": 24, "max_delta": 1}
   4. for the cron enter something like: 0,1,30,31 9,10,11 ? * FRI *. * the cron expression is in UTC