Arduino-CLI now gets pulled from pacman

bootstrap.sh

@@ -320,8 +320,10 @@ step "7/9 — Installing Arduino CLI + board cores"
 if ! command -v arduino-cli &>/dev/null; then
   if $IS_ARCH then;
     $PKG_INSTALL arduino-cli 
+  else
     curl -kfsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | BINDIR=/usr/local/bin sudo sh
   fi
+fi
 info "Arduino CLI installed: $(arduino-cli version 2>/dev/null | head -1)"
 
 arduino-cli config init 2>/dev/null || true