feat(caddy): install and replace nginx

modules/nixos/features/caddy.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  ...
+}:
+{
+  services.caddy = {
+    enable = true;
+    dataDir = "/srv/caddy";
+    globalConfig = ''
+      auto_https disable_redirects
+    '';
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "festive-steed-fit@duck.com";
+    certs."fi33.buzz" = {
+      group = config.services.caddy.group;
+      domain = "fi33.buzz";
+      extraDomainNames = [ "*.fi33.buzz" ];
+      dnsProvider = "porkbun";
+      dnsPropagationCheck = true;
+      credentialsFile = config.age.secrets."porkbun-api".path;
+    };
+  };
+
+  age.secrets."porkbun-api".file = ../../../secrets/porkbun-api.age;
+}