Improve readability here too

install/preflight/repositories.sh

@@ -10,7 +10,12 @@ fi
 
 # Add the Omarchy repository
 if ! grep -q "omarchy" /etc/pacman.conf; then
-  echo -e "\n[omarchy]\nSigLevel = Optional TrustAll\nServer = https://pkgs.omarchy.org/\$arch/\n" | sudo tee -a /etc/pacman.conf >/dev/null
+  sudo tee -a /etc/pacman.conf >/dev/null <<'EOF'
+
+[omarchy]
+SigLevel = Optional TrustAll
+Server = https://pkgs.omarchy.org/$arch/
+EOF
 fi
 
 # Set mirrors to global ones only