Modularize code

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/common/configs/persist/default.nix

@@ -0,0 +1,28 @@
+{ config, inputs, lib, ... }:
+
+{
+  programs.fuse.userAllowOther = true;
+
+  systemd.tmpfiles.rules = [ "d /persist/home 0755 root root -" ] ++
+    lib.attrsets.mapAttrsToList (user: config: "d /persist${config.home} 0700 ${user} users -")
+      (lib.attrsets.filterAttrs (name: config: config.isNormalUser) config.users.users);
+
+  home-manager = {
+    sharedModules = [{ imports = [ inputs.impermanence.nixosModules.home-manager.impermanence ]; }];
+    users = lib.attrsets.mapAttrs (user: config: ({
+      home.persistence."/persist${config.home}" = {
+        allowOther = true;
+        directories = [
+          "Documents"
+          "Downloads"
+          "Music"
+          "Pictures"
+          "Videos"
+          "Templates"
+          "VMs"
+          "git"
+        ];
+      };
+    })) (lib.attrsets.filterAttrs (name: config: config.isNormalUser) config.users.users);
+  };
+}