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

options/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./systemconf.nix
+  ];
+}