[doc] add link to npm search in Readme.md

Fixes #1459.

README.md

@@ -21,10 +21,11 @@ To read the documentation:
 
 Resources for Newcomers
 ---
-  - [The Wiki](http://github.com/ry/node/wiki)
+  - [The Wiki](https://github.com/ry/node/wiki)
   - [nodejs.org](http://nodejs.org/)
   - [how to install node.js and npm (node package manager)](http://joyeur.com/2010/12/10/installing-node-and-npm/)
-  - [list of modules](http://github.com/ry/node/wiki/modules)
+  - [list of modules](https://github.com/ry/node/wiki/modules)
+  - [searching the npm registry](http://search.npmjs.org/)
   - [list of companies and projects using node](http://github.com/ry/node/wiki)
   - [node.js mailing list](http://groups.google.com/group/nodejs)
   - irc chatroom, [#node.js on freenode.net](http://webchat.freenode.net?channels=node.js&uio=d4)