Added lightning slides

Author: alvations

_posts/2000-01-02-program.md

@@ -13,7 +13,7 @@ color: black
 
 0905 - 0950    **Invited Talk 1 (Joel Nothman)** [[slides](slides/nothman.pdf)]
 
-0950 - 1030    **Lightning Presentation for Posters 1** 
+0950 - 1030    **Lightning Presentation for Posters 1** [[slides](https://github.com/nlposs/nlposs.github.io/raw/master/slides/lightning-1.pdf)]
 
 1030 - 1100    **Break**
 
@@ -42,7 +42,7 @@ color: black
 
 1530 - 1600    **Break**
 
-1600 - 1645    **Lightning Presentation for Posters 2** 
+1600 - 1645    **Lightning Presentation for Posters 2** [[slides](https://github.com/nlposs/nlposs.github.io/raw/master/slides/lightning-2.pdf)]
 
 1645 - 1730    **Poster Session 2**