chore: Add CNAME to point to learn.openapis.org (#57)

* chore: Add CNAME to point to learn.openapis.org

* chore: Updated baseUrl to be hosted at root in readiness for CNAME

Author: SensibleWood

CNAME

@@ -0,0 +1 @@
+learn.openapis.org

_config.yml

@@ -2,7 +2,7 @@
 remote_theme: just-the-docs/just-the-docs
 title: OpenAPI Documentation
 description: For API designers and writers wishing formalize their API in an OpenAPI Description document.
-baseurl: /Documentation
+baseurl: /
 logo: "/assets/images/OpenAPI_Logo_Pantone-1.png"
 footer_content: "\xA9 2023 OpenAPI Initiative. <a rel=\"license\" href=\"http://creativecommons.org/licenses/by/4.0/\"\
   ><img alt=\"Creative Commons License\" style=\"border-width:0\" src=\"https://i.creativecommons.org/l/by/4.0/80x15.png\"\