remark-lint-no-trailing-spaces/invalid.md

remark-lint rule to warn when lines end with trailing spaces

# Heading level 1 
 
 Some text withXXXXXXXXXXXXX *YYYYYYYYYstrong* ZZZZZZZZZstuff. 
 
- A list item 
- A list item 
 
## Heading level 2 
 
```js 
some code 
```