Update README.md

Author: Linamvarain

README.md

@@ -9,3 +9,7 @@ DeepCovid uses the dataset from "COVID-19 Radiography Dataset" on Kaggle. It con
 ***Formats
 
 All the images are in Portable Network Graphics (PNG) file format and resolution are 1024 * 1024 pixels and 256 * 256 pixels, which will be converted to 224 * 224 required by the Convolutional Neural Networks (CNNs).
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+****Objective
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+Researchers can use it to produce useful and impactful work on COVID-19, which can help in tackling this pandemic.