Add new script for install (untested)

pkgs/install-nix/default.nix

@@ -0,0 +1,31 @@
+{
+  lib,
+  stdenv,
+  writeShellApplication,
+}:
+writeShellApplication
+{
+  name = "install-nix";
+
+  runtimeInputs = [];
+
+  text = ''
+    # An install script for NixOS installation to /tmp
+    set -e
+    hostname=$1
+    if [[ "$1" == "" ]]; then
+      echo "No hostname given, please specify a hostname"
+      exit 2
+    fi
+    pushd /tmp
+    git clone https://git.lillianviolet.dev/Lillian-Violet/NixOS-Config.git ./install
+    pushd ./install
+    echo "NixOS Installing..."
+    sudo nixos-install --flake .#$1
+    popd
+    echo "Cleaning up repository in tmp..."
+    rm -rf ./install
+    popd
+    notify-send -e "NixOS Install Succeeded!" --icon=software-update-available
+  '';
+}