refactor: Update cauldron_update.fish to include version check and im…

…prove branch selection logic

refactor: Update visual_git_checkout.fish to use 'tr' instead of 'ech…

…o' for branch selection

refactor: Improve visual_git_checkout function for easier branch sele…

…ction

refactor: Add visual_git_checkout function for easier branch selection

refactor: Improve directory creation and copying logic in cauldron_up…

…date.fish

refactor: Improve directory creation and copying logic in cauldron_up…

…date.fish

Fix bug causing incorrect backup of user data directory

refactor: Improve directory creation and copying logic in cauldron_up…

…date.fish

feat: Update Cauldron to the latest version and improve installation …

…process

0.1.0