Documentation for cloud support methods

Author: Kartikeya99

README.md

@@ -101,4 +101,17 @@ Scenario('Compare CPU Usage Images', async (I) => {
     I.seeVisualDiffForElement("//div[@class='panel-container']", "Complete_Dashboard_Image.png", {prepareBaseImage: false, tolerance: 3});
 });
 ```
+The generated output and diff images can also be directly uploaded to AWS S3 by using the `upload` method which will upload both the output as well as diff image generated.
+The files will be uploaded to a folder named output inside of the bucket.
+```
+I.upload("AccessKeyId", "secretAccessKey", "region", "bucketName", "baseImage");
+```
+
+Moreover, the base images can also be downloaded from S3 with the `download` method.
+```
+I.download("AccessKeyId", "secretAccessKey", "region", "bucketName", "baseImage");
+```
+You will need to store these base images inside a folder named base inside the bucket.
+
+