Document the different ways to run monkey agents

## Documentation request

There are multiple ways to run the agents, but they are documented only in use cases, not as a dedicated list.

### Add a new page 🆕

**What documentation you'd like us to add?**
How to run monkey agents
This page should contain:
How to run monkey agents from monkey island
How to run monkey agents manually and locally, what are the flags
How to run monkey agents manually, on remote machine
How to run monkey agents on AWS machines

### Edit existing content 📝