initial restructuring

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "plasma-manager"]
-	path = plasma-manager
-	url = https://github.com/nix-community/plasma-manager

old/system/security/users.nix

@@ -3,7 +3,7 @@
 {
   users.groups.jashton = {};
   users.groups.greetd = {};
-  users.groups.heliotrope = {};
+  users.groups.heliotrope-backups = {};
 
   users.users.jashton = {
     isNormalUser = true;
@@ -14,12 +14,12 @@
     shell = pkgs.zsh;
   };
 
-  users.users.heliotrope = {
+  users.users.heliotrope-backups = {
     isNormalUser = true;
-    description = "Remote Server heliotrope.";
-    group = "heliotrope";
+    description = "heliotrope remote server backups.";
+    group = "heliotrope-backups";
 
-    shell = pkgs.zsh;
+    shell = pkgs.bash;
   };
 
   users.users.root = {