✨ update dependency installer and requirements

install-dependencies-unix.sh

@@ -1,7 +1,6 @@
 #!/bin/bash
 
 sudo apt-get update && apt-get upgrade -y
-
 sudo apt install python3 graphviz -y
 
 # add Graphviz to the system path

install-dependencies-windows.ps1

@@ -2,6 +2,7 @@
 winget install Python --accept-source-agreements --accept-package-agreements
 winget install graphviz --accept-source-agreements --accept-package-agreements
 
+
 # add Graphviz to the system path
 $graphvizPath = "C:\Program Files\Graphviz\bin"
 $envPath = [Environment]::GetEnvironmentVariable("Path", [EnvironmentVariableTarget]::Machine)