Inlcude docs for snapshot s3

cmd/kosli/snapshotS3.go

@@ -15,7 +15,8 @@ const snapshotS3ShortDesc = `Report a snapshot of the content of an AWS S3 bucke
 const snapshotS3LongDesc = snapshotS3ShortDesc + awsAuthDesc + `
 You can report the entire bucket content, or filter some of the content using ^--include^ and ^--exclude^.
 In all cases, the content is reported as one artifact. If you wish to report separate files/dirs within the same bucket as separate artifacts, you need to run the command twice.
-`
+
+` + kosliIgnoreDesc
 
 const snapshotS3Example = `
 # report the contents of an entire AWS S3 bucket (AWS auth provided in env variables):