Merge pull request #10 from Hladenkyi/master

Сhanged image size in feature

Resize bg image

Adds demo buttons for HTTP dumps

Adds demo buttons for HTTP dumps

Updates node docker image

Adds releases and updates team

Adds gtag events

Adds page preloader

Adds new feature blocks.

Additional:
1. Fixes paddings in GithubStart component
2. Fixes Hero block buttons size
3. Refactors likes

Adds video block on site