Refactoring the config

modules/common/system.nix

@@ -0,0 +1,38 @@
+{ pkgs, ... }:
+
+{
+  # Time
+  time.timeZone = "Europe/Paris";
+
+  # Locale
+  i18n.defaultLocale = "fr_FR.UTF-8";
+
+  # Keyboard
+  console = {
+    font = "Lat2-Terminus16";
+    # keyMap = "fr";
+    useXkbConfig = true;
+  };
+
+  services.xserver.xkb.layout = "fr";
+  services.xserver.xkb.variant = "oss";
+
+  # Shell
+  programs.fish.enable = true;
+  programs.fish.promptInit = ''
+    any-nix-shell fish --info-right | source
+  '';
+  environment.shells = with pkgs; [ fish ];
+
+  # Environment Variables
+  environment.sessionVariables = {
+    EDITOR = "hx";
+  };
+
+  # Documentation
+  documentation.enable = true;
+  documentation.man.enable = true;
+  documentation.dev.enable = true;
+  # Fails for some reason
+  documentation.nixos.enable = true;
+}