Add superstruct as a direct dependency (#1802)

ts/package.json

@@ -46,6 +46,7 @@
     "js-sha256": "^0.9.0",
     "pako": "^2.0.3",
     "snake-case": "^3.0.4",
+    "superstruct": "^0.15.4",
     "toml": "^3.0.0"
   },
   "devDependencies": {

ts/yarn.lock

@@ -4347,6 +4347,11 @@ superstruct@^0.14.2:
   resolved "https://registry.yarnpkg.com/superstruct/-/superstruct-0.14.2.tgz#0dbcdf3d83676588828f1cf5ed35cda02f59025b"
   integrity sha512-nPewA6m9mR3d6k7WkZ8N8zpTWfenFH3q9pA2PkuiZxINr9DKB2+40wEQf0ixn8VaGuJ78AB6iWOtStI+/4FKZQ==
 
+superstruct@^0.15.4:
+  version "0.15.4"
+  resolved "https://registry.yarnpkg.com/superstruct/-/superstruct-0.15.4.tgz#e3381dd84ca07e704e19f69eda74eee1a5efb1f9"
+  integrity sha512-eOoMeSbP9ZJChNOm/9RYjE+F36rYR966AAqeG3xhQB02j2sfAUXDp4EQ/7bAOqnlJnuFDB8yvOu50SocvKpUEw==
+
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"