Update SUMMARY.md

jonasgeiler · web-flow · commit 90a30ece616a · 2019-07-12T21:03:50.000+02:00
diff --git a/book/SUMMARY.md b/book/SUMMARY.md
@@ -192,6 +192,8 @@
   * [Advantages](languages/lua/advantages.md)
 
   * [Disadvantages](languages/lua/disadvantages.md)
+  
+  * [Some interesting facts](languages/lua/misc.md)
 
   * [Conclusion](languages/lua/conclusion.md)
 
