broot v0.12.0

• breaking change: commands given with --cmd must be separated (default separator is ;)
• fix some cases of terminal let in a bad state on errors (thanks Nathan West)
• bring some changes to the fish shell function and its installation (PR #128)
• consider path $ZDOTDIR/.zshrc for zsh shell function sourcing (fix #90)
• don't use .gitignore files of parent repositories
• change default value of the toggle_trim_root to false (fix #106 but might be reverted)
• :print_relative_path verb (fix #169, thanks Roshan George)
• :chmod verb