update: system update & refactor

# Breaking Changes
- sops location movod to "system/dev/<dev-name>/sops/sops-conf.nix"
- flake devices declaration changes
- whole flake update

system/dev/dn-server/common/boot.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+
+{
+  boot.kernelPackages = pkgs.linuxPackages;
+
+  boot.loader.systemd-boot.enable = true;
+
+  # Enable F keys in some wireless keyboard (Ex. neo65)
+  boot.extraModprobeConfig = ''
+    options hid_apple fnmode=2
+  '';
+
+  boot.initrd.systemd.enable = true;
+  boot.initrd.kernelModules = [
+    "i915"
+  ];
+  boot.swraid.enable = true;
+  boot.swraid.mdadmConf = ''
+    MAILADDR smitty
+    ARRAY /dev/md126 metadata=1.2 name=stuff:0
+    UUID=b75dc506-8f7c-4557-8b2f-adb5f1358dbc
+  '';
+
+  fileSystems."/mnt/ssd" = {
+    device = "/dev/disk/by-uuid/4E21-0000";
+    fsType = "exfat";
+    options = [
+      "x-systemd.automount"
+      "noauto"
+      "x-systemd.idle-timeout=600"
+      "nofail"
+      "user"
+      "x-gvfs-show"
+      "gid=1000"
+      "uid=1000"
+      "dmask=000"
+      "fmask=000"
+    ];
+  };
+}