btrfs: Improve fstab mount options during a btrfs install #172
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I've improved the btrfs install to use compression by default (which reduces writes and uses less storage) and some other options that should be better for modern SSDs.
Used as a reference the fstab mounts in distros such as Fedora and CachyOS which use similar mount options for btrfs, and this reference on BTRFS mount options I found: https://wiki.tnonline.net/w/Btrfs/Mount_Options
Tested the installation with both a single root partition on btrfs and split root and home partion when both on btrfs and it worked well in both cases.