modularizes config

modules/base/default.nix

@@ -0,0 +1,59 @@
+{
+  pkgs,
+  inputs,
+  ...
+}:
+
+{
+  nix = {
+    channel.enable = false;
+    package = pkgs.nix;
+    nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
+    settings = {
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+    };
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "delete-older-than 7d";
+      persistent = false;
+    };
+    optimise = {
+      automatic = true;
+      dates = [ "weekly" ];
+    };
+  };
+
+  nixpkgs = {
+    config = {
+      allowUnfree = true;
+      allowUnsupportedSystem = true;
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    git
+    btop
+    fish
+    ripgrep
+    fzf
+    fd
+    sd
+    bat
+    neovim
+    just
+    tldr
+    fortune
+    ffmpeg
+    zoxide
+    sqlite
+    rsync
+    restic
+    imagemagick
+    sqlite
+    fortune
+  ];
+}