Add sudo to install instructions so it can be run without user switching (#2483)

* Add sudo to install instructions so it can be run without user switching

* Add sudo to one liner and a note for people using different root tools

README.md

@@ -38,7 +38,7 @@ building with makepkg:
 We make sure we have the `base-devel` package group installed.
 
 ```sh
-pacman -S --needed git base-devel
+sudo pacman -S --needed git base-devel
 git clone https://aur.archlinux.org/yay.git
 cd yay
 makepkg -si
@@ -47,11 +47,13 @@ makepkg -si
 If you want to do all of this at once, we can chain the commands like so:
 
 ```sh
-pacman -S --needed git base-devel && git clone https://aur.archlinux.org/yay.git && cd yay && makepkg -si
+sudo pacman -S --needed git base-devel && git clone https://aur.archlinux.org/yay.git && cd yay && makepkg -si
 ```
 
 ### Binary
 
+⚠️ We are using `sudo` in this example you can switch that out for a different privilage escalation tool.
+
 If you do not want to compile yay yourself you can use the builds generated by
 GitHub Actions.