style Trailing whitespace line endings or no final newline

Readme.md

@@ -61,7 +61,7 @@ rm -rf ~/.local/share/chezmoi-private
 rm ~/.ssh/known_hosts
 rm -rf ~/.vimrc ~/.vim ~/.gvimrc
 rm ~/.zshrc
-rm -rf ~/.config/alacritty ~/.config/zellij 
+rm -rf ~/.config/alacritty ~/.config/zellij
 ```
 
 <details>
@@ -223,4 +223,4 @@ EOT
 工具官網
 * <https://www.chezmoi.io/>
 * <https://github.com/zdharma-continuum/zinit>
-* <https://github.com/romkatv/powerlevel10k>
+* <https://github.com/romkatv/powerlevel10k>