We should add more plugin capabilities to make them more powerful and allow the community's creativity to flow. Plugins should be able to:

• Read and change the scroll-buffer of each terminal pane
• Display graphics in the terminal (to be translated to a Sixel image, w3m frame-buffer dump, chafa-like image or whatever the user's terminal supports)
• Control the pane layout
• Read / switch between Zellij sessions

Depends on: #1395