restructure

common/shell.nix

@@ -0,0 +1,45 @@
+{ pkgs, inputs, ... }:
+{
+  environment.shells = with pkgs; [
+    bashInteractive
+    fish
+  ];
+
+  environment.systemPackages = with pkgs; [
+    docker-compose
+    fd
+    htop
+    killall
+    ripgrep
+    unzip
+    wget
+    colmena
+    unison
+    dnsutils
+  ];
+
+  programs = {
+    fish.enable = true;
+    tmux = {
+      enable = true;
+      clock24 = true;
+    };
+    neovim = {
+      enable = true;
+      defaultEditor = true;
+      viAlias = true;
+      vimAlias = true;
+    };
+  };
+
+  # --- Excludes ---
+  programs.nano.enable = false;
+
+  # Enabled by fish but takes soooo long.
+  # This is apparently used by some of fish's
+  # autocomplete features.
+  documentation.man.generateCaches = false;
+
+  # To stop the annoying error on entering wrong commands
+  programs.command-not-found.enable = false;
+}