feat(caddy): move to new package

modules/caddy-plus/vhost-options.nix

@@ -0,0 +1,51 @@
+{cfg}: {lib, ...}: let
+  inherit (lib) literalExpression mkOption types;
+in {
+  options = {
+    reverseProxy = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        Option to give the parameters to a simple "reverse_proxy" command
+        appended after extraConfig.
+      '';
+    };
+
+    subDomains = mkOption {
+      type = types.attrsOf (types.submodule (import ./sub-domain-options.nix {inherit cfg;}));
+      default = {};
+      example = literalExpression ''
+        {
+          headscale = {
+            reverseProxy = "localhost:8080";
+            extraConfig = '''
+              encode gzip
+            ''';
+          }
+        };
+      '';
+      description = ''
+        Declarative specification of a virtual hosts subdomain served by Caddy.
+      '';
+    };
+
+    subDirectories = mkOption {
+      type = types.attrsOf (types.submodule (import ./sub-dir-options.nix {inherit cfg;}));
+      default = {};
+      example = literalExpression ''
+        {
+          headscale = {
+            appSupport = false;
+            reverseProxy = "localhost:8080";
+            extraConfig = '''
+              encode gzip
+            ''';
+          };
+        };
+      '';
+      description = ''
+        Declarative specification of a subdomain's subdirectories served by Caddy.
+      '';
+    };
+  };
+}