feat: add some tools

modules/home/fish.nix

@@ -1,4 +1,8 @@
 { pkgs, ... }: {
+  home.file.".config/fish/completions/flux.fish".source =
+    ../../shell/completions/flux.fish;
+  home.file.".config/fish/kube.fish".source = ../../shell/kube.fish;
+
   programs.fish = {
     enable = true;
     shellInit = ''
@@ -14,6 +18,10 @@
       alias vi="nvim"
       alias rb="sudo nixos-rebuild switch --flake ~/nixos-config#"
       alias dry-rb="sudo nixos-rebuild dry-build --flake ~/nixos-config#"
+
+      if test -f $HOME/.config/fish/kube.fish
+        source $HOME/.config/fish/kube.fish
+      end
     '';
     plugins = [
       # Enable a plugin (here grc for colorized command output) from nixpkgs