Some distributions have that. Some have it built into the tools like arch. For some you just boot your installation media and run only the “install bootloader” step.
About the only universal way is to boot usb, pivot-root or chroot to switch to the installed system you wanna run and do grub-install, although you need to understand a few things about your system to not make errors.
Once you pick something to stick with, go ahead and look up its process. Think of it like practicing changing a tire in the grocery store parking lot before you actually need to do it on the side of the road.
If you can accept 11” the old intel macbook airs are what you’re asking for.
They’re in the free - $50 price range now.