Fix indentation issue (#7)

_config.yml

@@ -20,10 +20,7 @@
 
 title: Apache Gluten incubating
 email: weitingchen@apache.org
-description: luten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines. # this means to ignore newlines until "baseurl:"
-  Write an awesome description for your new site here. You can edit this
-  line in _config.yml. It will appear in your document head meta (for
-  Google search results) and in your feed.xml site description.
+description:  "Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines."
 baseurl: "/" # the subpath of your site, e.g. /blog
 domain: apache.org
 url: "https://gluten.apache.org" # the base hostname & protocol for your site, e.g. http://example.com