Provide link to developer's policy

llvm-svn: 140857
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 4f4d310e3e7c964e979f73807b970dd5dba64b1e
diff --git a/www/index.html b/www/index.html
index 17bf016..fbdf123 100644
--- a/www/index.html
+++ b/www/index.html
@@ -134,6 +134,9 @@
   <h2>Get it and get involved!</h2>
   <!--=====================================================================-->
 
+  <p>First please review our
+     <a href="http://llvm.org/docs/DeveloperPolicy.html">Developer's Policy</a>.
+
   <p>To check out the code, use:</p>
 
   <ul>