bumped feed limit to 15

Signed-off-by: David Söderlund <[email protected]>

Author: QuadmanSWE

docs/_config.yml

@@ -98,4 +98,5 @@ jekyll-spaceship:
     src: https://github.githubassets.com/images/icons/emoji/
 google_analytics: UA-263169605-1
 feed:
-  excerpt_only: true
+  excerpt_only: true
+  posts_limit: 15