fix: touchups

README.md

@@ -5,11 +5,13 @@ A Collection of Newsletters sharing progress updates for the Alt Stack Team.
 ## Contributing
 
 To build the book locally, a few dependencies are required:
+
 ```sh
 cargo install mdbook mdbook-mermaid mdbook-template
 ```
 
 Then, to run the book locally during development, run:
+
 ```sh
 mdbook serve
 ```