Added search

Author: MartenBE

docs/c0.md

@@ -36,7 +36,13 @@ You can see the slide numbers in the lower right corner. There is also a progres
 
 ## Overview
 
-To get a quick overview of all the slides, or quickly go to another slide, press `ESC` on your keyboard.
+To get a quick overview of all the slides, or quickly go to another slide, press `esc` on your keyboard.
+
+---
+
+## Search
+
+To quickly search for keywords through the slides, press `ctrl + shift + f` on your keyboard to enter a search term and press `Enter` to search for it.
 
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