feature: not-found page adaptive versions

[thirdmadman]

Task

Implement adaptive versions for the existing "Not Found" page

Description

Follow this convention for naming commits and branches: Link

Branch name have to be: feature/issue-6/not-found-page-adaptive-versions

This includes:

• Version for the screen width of 1920px
• Version for the screen width of 1600px
• Version for the screen width of 1280px
• Version for the screen width of 390px