Add the first section of chapter 8.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43695 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/tutorial/index.html b/docs/tutorial/index.html
index 12644dd..52ce42b 100644
--- a/docs/tutorial/index.html
+++ b/docs/tutorial/index.html
@@ -34,7 +34,7 @@
     <li><a href="LangImpl5.html">Extending the language: control flow</a></li>
     <li><a href="LangImpl6.html">Extending the language: user-defined operators</a></li>
     <li><a href="LangImpl7.html">Extending the language: mutable variables / SSA construction</a></li>
-    <li>Thoughts and ideas for extensions</li>
+    <li><a href="LangImpl8.html">Conclusion, ideas for extensions, and other useful tidbits</a></li>
   </ol></li>
   <li>Advanced Topics
   <ol>