Sync webb-random with legacy registry.

Author: pacchettibotti

new-packages.json

@@ -382,6 +382,7 @@
   "purescript-web-url": "https://github.com/mjepronk/purescript-web-url.git",
   "purescript-web-workers": "https://github.com/purescript-web/purescript-web-workers.git",
   "purescript-webb-monad": "https://github.com/mitchellandwebb/webb-monad.git",
+  "purescript-webb-random": "https://github.com/mitchellandwebb/webb-random.git",
   "purescript-webb-refer": "https://github.com/mitchellandwebb/webb-refer.git",
   "purescript-webb-stateful": "https://github.com/mitchellandwebb/webb-stateful.git",
   "purescript-webb-test": "https://github.com/mitchellandwebb/webb-test.git",