Added emojis

Author: MartenBE

docs/c1.md

@@ -70,6 +70,20 @@ This text has been ~~stricken~~.
 
 ---
 
+## Emoji's
+
+:tada: :smile: :thumbsup: :100:
+
+:link: :speech_balloon: :wrench:
+
+:construction: :warning: :exclamation: :no_entry_sign: :no_entry: :x:
+
+-   https://github.com/ikatyang/emoji-cheat-sheet/blob/master/README.md
+-   https://gitmoji.dev/
+-   https://emoojees.com/
+
+---
+
 ## Math
 
 You can use [LaTeX / KaTeX](https://katex.org/) math notations: