Add OPTIONS method to DT CDN default behavior

Author: farski

cdn/dovetail-cdn/cloudfront.yml

@@ -416,8 +416,8 @@ Resources:
         DefaultCacheBehavior:
           # This default behavior would handle any traffic that doesn't match
           # one of the provided CacheBehaviorPrefix values.
-          AllowedMethods: [HEAD, GET]
-          CachedMethods: [HEAD, GET]
+          AllowedMethods: [HEAD, GET, OPTIONS]
+          CachedMethods: [HEAD, GET, OPTIONS]
           CachePolicyId: !Ref CloudFrontCachePolicy
           Compress: false
           FunctionAssociations: