added avahi settings

configuration.nix

@@ -14,7 +14,7 @@
       ./modules/intel-gpu.nix
     ];
 
-  # Bootloader.
+  # Bootloader
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.loader.grub.configurationLimit = 10;
@@ -50,6 +50,34 @@
   networking.hostName = "greynix"; # Define your hostname.
   networking.networkmanager.enable = true;
 
+  #Recommended if you plan to use networked printers, scanners, or file shares.
+  services.avahi = {
+    enable = true;              # Start the Avahi daemon.
+    ipv4 = true;                # Enable mDNS for IPv4.
+    ipv6 = true;                # Enable mDNS for IPv6.
+    nssmdns4 = true;            # Enable mDNS resolution for IPv4.
+    nssmdns6 = true;            # Enable mDNS resolution for IPv6.
+    publish = {
+      enable = true;            # Allow publishing services.
+      addresses = true;         # Broadcast local IP addresses.
+      workstation = true;       # Advertise as a "workstation" on the network.
+      hinfo = true;             # Share hardware info (e.g. CPU/OS).
+      userServices = true;      # Allow user-level services to be advertised.
+    };
+  };
+
+  environment.etc."nsswitch.conf".text = ''
+    passwd:      files systemd
+    group:       files systemd
+    shadow:      files systemd
+    hosts:       files mdns4_minimal mdns6_minimal [NOTFOUND=return] dns mdns4 mdns6 wins
+    networks:    files
+    protocols:   db files
+    services:    db files
+    ethers:      db files
+    rpc:         db files
+  '';
+
   # Sudo options
   # Disable sudo password for the wheel group
   security.sudo.wheelNeedsPassword = false;