Add opensearch.xml to the build (#731)
Add opensearch.xml to the build (#731)


customelements/v2,andymutton/v2,andymutton/v2,webcomponents/webcomponents.org,andymutton/beta,andymutton/v2,customelements/v2,andymutton/beta,customelements/v2,andymutton/v2,webcomponents/webcomponents.org,andymutton/beta,customelements/v2,andymutton/beta,webcomponents/webcomponents.org