create a schedule for cloud hosting

[tkonheiser]

User story

1. As a project team
2. We want to set up a schedule when the Slackbot and LLM are running in the cloud
3. So that the provided resources are used responsibly.

Acceptance criteria

• a schedule is set up to start and stop the slackbot and LLM
• the schedule allows to set the days of the week and start and stop times for running the bot
• the default running time should be from Mo - Fr from 9am until 5pm
• an option for starting and stopping the service manually is available
• documentation on how to setup and change the schedule is created

Definition of done (DoD)

• Acceptance criteria are met.
• Work products are uploaded to the Github repository.
• A pull request is created for each related branch.
• The work products in the pull requests are reviewed.
• The corresponding branches are merged and closed.
• The bill of materials section of the planning documents is updated.
• All defined conventions are complied with.

DoD general criteria

• Feature has been fully implemented
• Feature has been merged into the mainline
• All acceptance criteria were met
• Product owner approved features
• All tests are passing
• Developers agreed to release