Implement "RS Blog" block

# Description
Implement "RS Blog" block

# Steps

1. Go to [designs ](https://www.figma.com/file/RefMpMk3zyw8efZ8UGOkYM/Prototyping?node-id=2748%3A287163&t=WjMYCHX1vJQwZIPF-1) and find "Blog / Desktop / 2" block
2. Read blue notes
3. Implement the block