Configure zsh, cleanup worf

hosts/worf/configuration.nix

@@ -14,10 +14,18 @@
   };
 
   # System packages for all users
-  environment.systemPackages = [
-    pkgs.ripgrep
-    pkgs.wget
-  ];
+  environment = {
+    systemPackages = with pkgs; [
+      ripgrep
+      wget
+      git
+    ];
+
+    variables = {
+      EDITOR = "nvim";
+      VISUAL = "nvim";
+    };
+  };
 
   users.users.felixalb = {
     home = "/Users/felixalb";
@@ -27,6 +35,21 @@
   programs.zsh.enable = true;
   system.activationScripts.postActivation.text = ''sudo chsh -s ${pkgs.zsh}/bin/zsh''; # Since it's not possible to declare default shell, run this command after build
 
+
+  fonts = {
+    fontDir.enable = true;
+    fonts = with pkgs; [
+      source-code-pro
+      font-awesome
+      hack-font
+      (nerdfonts.override {
+        fonts = [
+          "FiraCode"
+        ];
+      })
+    ];
+  };
+
   system.defaults = {
     # login window settings
     loginwindow = {