* Sets front matter defaults
* Removes default front matter from section templates/pages
* Removes default front matter from addon pages
* Removes default front matter from integration pages
* Removes default front matter from posts
* Removes default front matter from docs pages
* Removes default front matter from other pages
* Fixes blog category pages
Untested, but according to discord this should be the correct side of the merge, please feel free to modify as needed, I just create this PR to make the issue known.