[FEAT] Improve autosaving logic for multi-agent architectures

[kyegomez]

Improve autosaving logic for all multi-agent architectures to save configurations and state to workspace_dir/swarms/swarm-name/config.json and other related files for better organization and persistence.

[hughiwnl]

working on this

[kyegomez]

@hughiwnl

• sequential
• concurrent
• hiearchical
  first