add missing documentation (#945) (#955)

[PR #945/454f5eb5 backport][stable-3] cloudfront_distribution: add missing documentation

This is a backport of PR #945 as merged into main (454f5eb).
SUMMARY
Closes #877
The modul resprects this parameter already.
ISSUE TYPE

Docs Pull Request

COMPONENT NAME
cloudfront_distribution

plugins/modules/cloudfront_distribution.py

@@ -200,6 +200,10 @@
             - The ID of the origin that you want CloudFront to route requests to
               by default.
           type: str
+        response_headers_policy_id:
+          description:
+            - The ID of the header policy that CloudFront adds to responses that it sends to viewers.
+          type: str
         forwarded_values:
           description:
             - A dict that specifies how CloudFront handles query strings and cookies.
@@ -317,6 +321,10 @@
             - The ID of the origin that you want CloudFront to route requests to
               by default.
           type: str
+        response_headers_policy_id:
+          description:
+            - The ID of the header policy that CloudFront adds to responses that it sends to viewers.
+          type: str
         forwarded_values:
           description:
             - A dict that specifies how CloudFront handles query strings and cookies.