clan: init vaultwarden service

clanServices/vaultwarden.nix

@@ -0,0 +1,33 @@
+{
+  _class = "clan.service";
+  manifest.name = "vaultwarden";
+  manifest.description = "Bitwarden-compatible password manager";
+  manifest.exports.out = [ "endpoints" ];
+
+  roles.default = {
+    perInstance =
+      {
+        meta,
+        mkExports,
+        ...
+      }:
+      let
+        host = "vaultwarden.${meta.domain}";
+      in
+      {
+        exports = mkExports {
+          endpoints.hosts = [ host ];
+        };
+
+        nixosModule = {
+          services.vaultwarden = {
+            enable = true;
+            domain = host;
+            configureNginx = true;
+          };
+
+          clan.core.state.vaultwarden.folders = [ "/var/lib/vaultwarden" ];
+        };
+      };
+  };
+}