also remove the redraw method and use renderer.draw immediately
BREAKING - rename all 'entry' to 'node' or '_node' if shadowing - rename all 'entries' to 'nodes'
- move trash.lua into actions - move system-open from root file to actions - move copypasta code from fs to actions - add file_exists in utils - add rename_loaded_buffers in utils (might need to move that in the future).