seo activities (#55)

* Update and rename README.md to README

* Add files via upload

* Delete example4.png

* Update README

Author: mcpcpc

.github/example4.png

@@ -1,3 +1,4 @@
+<!-- vim: syntax=Markdown -->
 <!--
   Title: KISS for IRC (kirc)
   Description: A tiny IRC client written in POSIX C99.
@@ -18,7 +19,7 @@
 </p>
 
 <p align="center">
-  <img src=".github/example4.png" width="550">
+  <img src=".github/tty.gif" width="550">
 </p>
 
 ## Features