Kamelets Catalog - Make the description a one liner - AWS CloudWatch …

…Sink

Signed-off-by: Andrea Cosentino <ancosen@gmail.com>

docs/modules/ROOT/partials/aws-cloudwatch-sink-description.adoc

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+== AWS Cloudwatch Sink Kamelet Description
+
+=== Authentication methods
+
+In this Kamelet you have the possibility of avoiding the usage of explicit static credentials by specifying the useDefaultCredentialsProvider option and set it to true.
+
+The order of evaluation for Default Credentials Provider is the following:
+
+ - Java system properties - `aws.accessKeyId` and `aws.secretKey`.
+ - Environment variables - `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY`.
+ - Web Identity Token from AWS STS.
+ - The shared credentials and config files.
+ - Amazon ECS container credentials - loaded from the Amazon ECS if the environment variable `AWS_CONTAINER_CREDENTIALS_RELATIVE_URI` is set.
+ - Amazon EC2 Instance profile credentials. 
+
+You have also the possibility of using Profile Credentials Provider, by specifying the useProfileCredentialsProvider option to true and profileCredentialsName to the profile name.
+
+Only one of access key/secret key or default credentials provider could be used
+
+For more information about this you can look at https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/credentials.html[AWS credentials documentation]
+
+=== Metric Headers
+
+In this Kamelet you could use the following headers for metrics:
+
+- `metric-name` / `ce-metricname` for the metric name.
+- `metric-value` / `ce-metricvalue` for the metric value.
+- `metric-unit` / `ce-metricunit` for the metric unit.
+- `metric-timestamp` / `ce-metrictimestamp` for the metric timestamp.
+- `metric-dimension-name` / `ce-metricdimensionname` for the dimension name.
+- `metric-dimension-value` / `ce-metricdimensionvalue` for the dimension value.