Update _index.md

Changed the high level description of the lab

Author: BlazBert

content/_index.md

@@ -5,4 +5,4 @@ description: "We are advancing the state of the art of various aspects of Smart
 images: ["/images/sensorlab-color.min.svg"]
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-We are advancing the state of the art of various aspects of Smart Infrastructures from communications and networking to data analytics.
+We are advancing the state of the art in smart infrastructure and pushing the boundaries of AI and data-driven technologies to enable intelligent, adaptive, and sustainable systems.