Script Strategies

Create a simplified version of the trading strategies called Script. The scripts are intended to be used without requiring a configuration. All data used by the script should be included in the script file. The script is a Python class. It can be created by subclassing the new ScriptStrategyBase class. All scripts modules should be stored in the /scripts folder (the old scripts folder is renamed to pmm_scripts). There is a new version of the start command for the scripts: start --script <script_module_name>

PR in GitHub: https://github.com/hummingbot/hummingbot/pull/5221