Add nom and nixfmt-tree to system packages

Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

m/common/base/env.nix

@@ -2,11 +2,36 @@
 
 {
   environment.systemPackages = with pkgs; [
-    vim wget git htop tmux pciutils tcpdump ripgrep nix-index nixos-option
-    nix-diff ipmitool freeipmi ethtool lm_sensors cmake gnumake file tree
-    ncdu perf ldns pv
+    cmake
+    ethtool
+    file
+    freeipmi
+    git
+    gnumake
+    home-manager
+    htop
+    ipmitool
+    ldns
+    lm_sensors
+    ncdu
+    nix-diff
+    nix-index
+    nix-output-monitor
+    nixfmt-tree
+    nixos-option
+    pciutils
+    perf
+    pv
+    ripgrep
+    tcpdump
+    tmux
+    tree
+    vim
+    wget
+
     # From jungle overlay
-    osumb nixgen
+    nixgen
+    osumb
   ];
 
   programs.direnv.enable = true;