doc(readme): add bash aliases

Author: Headorteil

README.md

@@ -67,10 +67,16 @@ yay -S keycli
 
 ## Aliases
 Install keycli-load and keycli-unload shell functions to be able to get your env vars directly in your current shell
+### Zsh
 ```bash
 keycli alias zsh >> ~/.zshrc
 ```
 
+### Bash
+```bash
+keycli alias bash >> ~/.bashrc
+```
+
 ## Completion
 ### Zsh
 ```bash