Update readme

README.md

-# Paper title
+# HHU Beamer Template
 
-TODO: Describe this paper. Where to submit? Link to conference pages?
-
-## Important Dates
-
-Submission          | Date
-------------------- | --------------------------------------------------
-Abstract submission | tbd
-Paper submission    | tbd
-Notification        | tbd
-Final version       | tbd
-
-> TODO: How many pages?
-
-## Conference
-
-TODO: Conference name, date, location?
+Unofficial implementation of the HHU slide deck in the corporate design
+portal in LaTeX.
+As no official LaTeX package was distributed, I felt the urge to waste my time
+and create one for myself.