[Node Tools] Removed wrong character in readme
[Node Tools] Removed wrong character in readme

BobJavascript/ManifoldJS,f2bo/ManifoldJS,f2bo/ManifoldJS,f2bo/ManifoldJS-lib,AuyaJackie/ManifoldJS,maitret/ManifoldJS,dragthor/ManifoldJS,ArchivedRepos/ManifoldJS,f2bo/ManifoldJS-lib,NoobsArePeople2/ManifoldJS,manifoldjs/ManifoldJS,beni55/ManifoldJS