Update config.yml

Author: LiamConnors

.circleci/config.yml

@@ -53,7 +53,7 @@ jobs:
             pip install python-frontmatter==0.5.0
             pip install pathlib
 
-      - save_cache: 
+      - save_cache:
           key: gem-cache-v1-{{ arch }}-{{ .Branch }}-{{ checksum "Gemfile.lock" }}
           paths:
             - vendor/bundle