Update sandstorm-pkgdef.capnp

sandstorm-pkgdef.capnp

@@ -259,6 +259,7 @@ const myCommand :Spk.Manifest.Command = (
     (key = "OAUTH2_USERINFO_ENDPOINT", value=""),
     (key = "OAUTH2_TOKEN_ENDPOINT", value=""),
     (key = "LDAP_ENABLE", value="false"),
+    (key = "PASSWORD_LOGIN_ENABLED", value="true"),    
     (key = "SANDSTORM", value="1"),
     (key = "METEOR_SETTINGS", value = "{\"public\": {\"sandstorm\": true}}")
   ]