Update _config.yaml

Author: nerlab

_config.yaml

@@ -1,6 +1,6 @@
 # site properties and page defaults
 title: Neural Engineering Research Laboratory
-subtitle: University of Campinas
+subtitle: [University of Campinas](https://www.unicamp.br)
 description: Merging engineering and neuroscience to understand the motor system and design cutting-edge neurotechnologies.
 header: images/background.jpg
 footer: images/background.jpg