sway, fix screensharing (again)

system/work/system.nix

@@ -21,6 +21,7 @@
     "vscode"
   ];
 
+  services.tailscale.enable = true;
 
   networking = {
     networkmanager = {
@@ -69,15 +70,25 @@
   ];
 
   # dangerous
-  users.users.tristan.extraGroups = [ "docker" ];
+  # users.users.tristan.extraGroups = [ "docker" ];
 
   virtualisation.docker = {
     enable = true;
     storageDriver = "btrfs";
-    # rootless = {
-    #   enable = true;
-    #   setSocketVariable = true;
-    # };
+    rootless = {
+      enable = true;
+      setSocketVariable = true;
+    };
+  };
+  
+  services.greetd = {
+    settings = rec {
+      sway_session = {
+        command = "sway";
+        user = "tristan";
+      };
+      default_session = lib.mkForce sway_session;
+    };
   };
 
 }