feat: adds various networking programs/packages, move tailscale to core instead of services

modules/core/network.nix

@@ -12,5 +12,29 @@
   };
   services = {
     avahi.enable = lib.mkDefault false;
+    tailscale = {
+      enable = true;
+      useRoutingFeatures = "client";
+      extraUpFlags = [
+        # "--accept-dns=false"
+        "--accept-routes"
+      ];
+    };
   };
+
+  programs = {
+    wireshark.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    dig
+    iftop
+    inetutils
+    ipcalc
+    iperf
+    nmap
+    tcpdump
+    traceroute
+    tshark
+  ];
 }