zsh additions + qol changes (#1)

* flake changes

* hm enable by default, omp home-manager

* zsh plugins

nix/users/luca/zsh.nix

@@ -1,9 +1,23 @@
+{ pkgs, ... }:
 {
   enable = true;
   enableCompletion = true;
   autosuggestion.enable = true;
+  history.size = 1000;
   envExtra = ''
     . "$HOME/.rokit/env"
-    eval "$(oh-my-posh init zsh -c ~/.config/ohmyposh/zen.toml)"
   '';
+  oh-my-zsh = {
+    enable = true;
+    plugins = [
+      "git"
+    ];
+  };
+  plugins = [
+    {
+      name = "fzf-tab";
+      src = pkgs.zsh-fzf-tab;
+      file = "share/fzf-tab/fzf-tab.plugin.zsh";
+    }
+  ];
 }