feat(mail): add openclaw account with nexor alias

- Added bcrypt-hashed password to sops secrets/common.yaml
- Added openclaw@ruject.fun account to mail service
- Added nexor@ruject.fun as alias

services/mail/service.nix

@@ -53,6 +53,10 @@ in
           "nikita.uwu@${domain}"
         ];
       };
+      "openclaw@${domain}" = {
+        hashedPasswordFile = sec."mail/openclawHashedPassword".path;
+        aliases = [ "nexor@${domain}" ];
+      };
     };
 
     x509.useACMEHost = config.mailserver.fqdn;