docs: Fix URL in Jekyll _config.yml

docs/_config.yml

@@ -1,7 +1,7 @@
 title: ostreedev/ostree
 description: ostree documentation
 baseurl: "/ostree"
-url: "https://coreos.github.io"
+url: "https://ostreedev.github.io"
 # Comment above and use below for local development
 # url: "http://localhost:4000"
 permalink: /:title/