+ Add repository URL as valid input for dotfiles
+ Add regex, chrono crates
+ Add custom error types for Kot
+ Add uninstallation of dotfiles to revert changes when error is
encountered
+ Update README, help text
+ Add basic logic for detecting conflicting configs, prompt to abort or
continue
+ Create symlinks to configs
+ Basic usage is `kot path/to/dotfiles/`
+ Add `--backup-dir` option for setting directory for backing up configs
+ Default backup-dir to `backups/kapper` until finished testing
+ Add `--home-dir` option for setting location to install configs
+ Default home-dir setting to `dry-runs/kapper` until finished testing