refactor: Update starship.toml file path and add optional icon parameter in setup.sh

terminal/starship.toml

@@ -48,6 +48,9 @@ style = "bg:color_purple fg:color_fg0"
 format = "[ $hostname ]($style)"
 ssh_only = false
 
+[hostname.symbols]
+dockers = "🐳"
+
 [os]
 disabled = false
 style = "bg:color_orange fg:color_fg0"