[docs] Add status header for awsxray receiver (#10444)

* Add status header for awsxray receiver

* apply reviewer's suggestion.

receiver/awsxrayreceiver/README.md

@@ -1,5 +1,11 @@
 # AWS X-Ray Receiver
 
+| Status | |
+| ------------------------ |------------------|
+| Stability | [beta] |
+| Supported pipeline types | traces |
+| Distributions | [contrib], [AWS] |
+
 ## Overview
 The AWS X-Ray receiver accepts segments (i.e. spans) in the [X-Ray Segment format](https://docs.aws.amazon.com/xray/latest/devguide/xray-api-segmentdocuments.html).
 This enables the collector to receive spans emitted by the existing X-Ray SDK. [Centralized sampling](https://github.com/aws/aws-xray-daemon/blob/master/CHANGELOG.md#300-2018-08-28) is also supported via a local TCP port.
@@ -71,3 +77,7 @@ The X-Ray service endpoint which the local TCP server forwards requests to.
 Determines whether the ECS/EC2 instance metadata endpoint will be called to fetch the AWS region to send requests to. Set to `true` to skip metadata check.
 
 Default: `false`
+
+[beta]: https://github.com/open-telemetry/opentelemetry-collector#beta
+[contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
+[AWS]: https://aws-otel.github.io/docs/components/x-ray-receiver