feat: add new host and start modularizing system configuration

hosts/lithium/services/tailscale.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+#let
+  #hostName = config.networking.hostName;
+  #tailnetName = "tail79151.ts.net";
+  #svcDomain = "${hostName}.${tailnetName}";
+#in
+{
+  # NOTE: This does require a manual step of creating a tailscale account if
+  # you don't already have one, and generating an Auth Key:
+  # https://login.tailscale.com/admin/machines/new-linux
+  # After enabling this and generating an install script copy the authkey and
+  # run: `sudo tailscale up --auth-key=KEY`
+
+  # NOTE: Use Caddy to create and manage SSL Certs for Tailscale
+  #services.caddy.virtualHosts."${svcDomain}".extraConfig = ''
+    #reverse_proxy :<port>
+  #'';
+  services.tailscale = {
+    enable = true;
+    #permitCertUid = "caddy";  # Allow caddy to edit certs
+  };
+}