Fedora Server 41 on Raspberry Pi 4 (LVM)

I have installed Fedora Server 41 on a 32 GB SD card using the raw image/Fedora Media Writer.
The problem is that only around 6 GB of the card is used and the rest is free space.
Is there a straight forward or easy guide/ instruction on how I can add the free space to LVM so that I can utilize the entire disk ?
I also have an external HDD (blank) connected to the Pi4, hope that can also be added to the LVM ? If yes, how ?
Thanks

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