chore(markdown): Linting of dev docs

markdown/dev/reference/api/svg/script/en.md

@@ -15,6 +15,7 @@ We don't use this ourselves, but it's there if you need it.
 <Warning>
 
 ###### Add, but don't overwrite
+
 When adding your own script, it's important not to
 overwrite this property, but rather add your own.
 
@@ -23,6 +24,7 @@ In other words, do this:
 ```js
 svg.script += myScript;
 ```
+
 and don't do this:
 
 ```js