refactor: rename old profiles->modules [part 2]

modules/nixos/common/settings.nix

@@ -0,0 +1,45 @@
+{ lib, config, outputs, inputs, ... }:
+{
+
+  nixpkgs = {
+    overlays = [ outputs.overlays.default ];
+    config = {
+      allowUnfree = true;
+    };
+  };
+
+  nix =
+    let
+      flakeInputs = lib.filterAttrs (_: lib.isType "flake") inputs;
+    in
+    {
+      settings = {
+        experimental-features = [
+          "nix-command"
+          "flakes"
+          "ca-derivations"
+          "cgroups"
+          "pipe-operators"
+        ];
+        trusted-users = [ "@wheel" "${config.swarselsystems.mainUser}" ];
+        connect-timeout = 5;
+        bash-prompt-prefix = "$SHLVL:\\w ";
+        bash-prompt = "$(if [[ $? -gt 0 ]]; then printf \"\"; else printf \"\"; fi)\[\e[1m\]λ\[\e[0m\] ";
+        fallback = true;
+        min-free = 128000000;
+        max-free = 1000000000;
+        flake-registry = "";
+        auto-optimise-store = true;
+        warn-dirty = false;
+        max-jobs = 1;
+        use-cgroups = lib.mkIf config.swarselsystems.isLinux true;
+      };
+      channel.enable = false;
+      registry = lib.mapAttrs (_: flake: { inherit flake; }) flakeInputs;
+      nixPath = lib.mapAttrsToList (n: _: "${n}=flake:${n}") flakeInputs;
+    };
+
+
+  system.stateVersion = lib.mkDefault "23.05";
+
+}