added instructions

README.md

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+# Home Manager Config
+
+## Laptop
+
+Specific instructions for the `Lenovo Thinkpad Yoga C13 (Morphius)`
+
+Install Mr.Chromebox's [Firmware Utility Script](https://mrchromebox.tech/#fwscript).
+
+Download [Fedora Workstation](https://www.fedoraproject.org/en/workstation/download).
+Boot the Live USB in `minimal graphics mode`.
+Install like usual but before restarting do edit the machine's kernel boot params like so:
+
+```txt
+sudo nano /mnt/sysroot/etc/default/grub
+```
+
+Add `iommu=pt` to `GRUB_CMDLINE_LINUX`.
+Example:
+
+```txt
+GRUB_CMDLINE_LINUX="rd.luks.uuid=luks-6ee676a5-8f57-4400-bde6-2f5ff7c1260d nomodeset rhgb iommu=pt quiet"
+```
+
+Resize the `/tmp` directory to allow for building large packages like `nerdfonts`
+
+```txt
+mount -o remount,size=25G /tmp
+systemctl daemon-reload
+```
+
+Download the current home-manager config from <https://git.krsnik.at/Kristian/home-manager>.
+
+```txt
+cd home-manager
+nix shell nixpkgs#home-manager --extra-experimental-features "nix-command flakes"
+home-manager switch --flake .#laptop --extra-experimental-features "nix-command flakes"
+```
+
+Configure the following:
+
+* synthing
+* gpg
+
+In case ssh does not work work do
+
+```txt
+gpgconf --kill gpg-agent
+```