Update readme.md

readme.md

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 # Laravel Installation Script
 
+Update First Then Run the Script
+```
+apt-get update && apt-get upgrade && apt-get install sudo -y
+```
+
 Use The Link Below In An Empty LXC To Create A Laravel Project
 ```
 curl -fsSL https://git.innovator.bh/ghassan/laravel-project/raw/branch/main/install-laravel.sh | bash