Refactor: delete overkill layers

hosts/terre-neuvas/configuration.nix

@@ -12,9 +12,18 @@ in {
   imports = [
     # Include the results of the hardware scan.
     ./hardware.nix
-    ../../profiles/server-selfhosted.nix
-    ../../modules/services/ftp.nix
+    ../../modules/common/nix.nix
+    ../../modules/roles/server.nix
+    ../../modules/common/base.nix
+    ../../modules/common/smtp.nix
+    ../../modules/common/qemu.nix
+
+    ../../modules/services/goaccess.nix
+    ../../modules/services/wikijs.nix
     ../../modules/services/forgejo.nix
+    ../../modules/sites/porzh.me.nix
+    ../../modules/sites/levr.porzh.me.nix
+
   ];
 
   # Bootloader.
@@ -48,7 +57,32 @@ in {
   environment.systemPackages = with pkgs; [
     neovim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
     git
+    
+    btrfs-progs
+    cifs-utils
+    lm_sensors
+    wakeonlan
+    wget
+    curl
+    ripgrep
+    fd
+    pciutils
+    usbutils
+    p7zip
+    gdu
+    glances
+    tmux
+
   ];
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      PubkeyAuthentication = true;
+    };
+  };
+
   networking = {
     useNetworkd = true;
     firewall.allowedTCPPorts = [22 80 5900 5901 5902];